Home / 3,780,228.80-5,216,526.78-2,148,420.62

Finding the Fourth Proportional to 3,780,228.80, 5,216,526.78 and 2,148,420.62

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Solution

The fourth proportional to 3,780,228.80, 5,216,526.78 and 2,148,420.62 is: 2,964,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,228.80 : 5,216,526.78 = 2,148,420.62 : x
  2. Step 2: Convert to fraction form
    3,780,228.80/5,216,526.78 = 2,148,420.62/x
  3. Step 3: Cross multiply
    3,780,228.80x = 5,216,526.78 × 2,148,420.62
  4. Step 4: Simplify right side
    3,780,228.80x = 11,207,293,698,934.21
  5. Step 5: Solve for x
    x = 11,207,293,698,934.21/3,780,228.80
  6. Step 6: Final answer
    x = 2,964,713.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.