Home / 3,178,888.14-4,398,417.60-2,771,838.20

Finding the Fourth Proportional to 3,178,888.14, 4,398,417.60 and 2,771,838.20

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Solution

The fourth proportional to 3,178,888.14, 4,398,417.60 and 2,771,838.20 is: 3,835,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,888.14 : 4,398,417.60 = 2,771,838.20 : x
  2. Step 2: Convert to fraction form
    3,178,888.14/4,398,417.60 = 2,771,838.20/x
  3. Step 3: Cross multiply
    3,178,888.14x = 4,398,417.60 × 2,771,838.20
  4. Step 4: Simplify right side
    3,178,888.14x = 12,191,701,923,232.32
  5. Step 5: Solve for x
    x = 12,191,701,923,232.32/3,178,888.14
  6. Step 6: Final answer
    x = 3,835,209.48

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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.