Home / 6,688,348.75-9,229,612.39-3,787,760.40

Finding the Fourth Proportional to 6,688,348.75, 9,229,612.39 and 3,787,760.40

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Solution

The fourth proportional to 6,688,348.75, 9,229,612.39 and 3,787,760.40 is: 5,226,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,348.75 : 9,229,612.39 = 3,787,760.40 : x
  2. Step 2: Convert to fraction form
    6,688,348.75/9,229,612.39 = 3,787,760.40/x
  3. Step 3: Cross multiply
    6,688,348.75x = 9,229,612.39 × 3,787,760.40
  4. Step 4: Simplify right side
    6,688,348.75x = 34,959,560,318,191.36
  5. Step 5: Solve for x
    x = 34,959,560,318,191.36/6,688,348.75
  6. Step 6: Final answer
    x = 5,226,934.42

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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.