Home / 3,142,487.16-4,336,295.58-2,109,785.76

Finding the Fourth Proportional to 3,142,487.16, 4,336,295.58 and 2,109,785.76

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Solution

The fourth proportional to 3,142,487.16, 4,336,295.58 and 2,109,785.76 is: 2,911,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,487.16 : 4,336,295.58 = 2,109,785.76 : x
  2. Step 2: Convert to fraction form
    3,142,487.16/4,336,295.58 = 2,109,785.76/x
  3. Step 3: Cross multiply
    3,142,487.16x = 4,336,295.58 × 2,109,785.76
  4. Step 4: Simplify right side
    3,142,487.16x = 9,148,654,665,834.94
  5. Step 5: Solve for x
    x = 9,148,654,665,834.94/3,142,487.16
  6. Step 6: Final answer
    x = 2,911,278.30

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Double scale
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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.