Home / 2,278,438.80-3,417,658.20-2,243,009.40

Finding the Fourth Proportional to 2,278,438.80, 3,417,658.20 and 2,243,009.40

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Solution

The fourth proportional to 2,278,438.80, 3,417,658.20 and 2,243,009.40 is: 3,364,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,438.80 : 3,417,658.20 = 2,243,009.40 : x
  2. Step 2: Convert to fraction form
    2,278,438.80/3,417,658.20 = 2,243,009.40/x
  3. Step 3: Cross multiply
    2,278,438.80x = 3,417,658.20 × 2,243,009.40
  4. Step 4: Simplify right side
    2,278,438.80x = 7,665,839,468,587.08
  5. Step 5: Solve for x
    x = 7,665,839,468,587.08/2,278,438.80
  6. Step 6: Final answer
    x = 3,364,514.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.