Home / 3,712,856.10-5,122,753.65-2,142,590.10

Finding the Fourth Proportional to 3,712,856.10, 5,122,753.65 and 2,142,590.10

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Solution

The fourth proportional to 3,712,856.10, 5,122,753.65 and 2,142,590.10 is: 2,956,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,856.10 : 5,122,753.65 = 2,142,590.10 : x
  2. Step 2: Convert to fraction form
    3,712,856.10/5,122,753.65 = 2,142,590.10/x
  3. Step 3: Cross multiply
    3,712,856.10x = 5,122,753.65 × 2,142,590.10
  4. Step 4: Simplify right side
    3,712,856.10x = 10,975,961,255,228.87
  5. Step 5: Solve for x
    x = 10,975,961,255,228.87/3,712,856.10
  6. Step 6: Final answer
    x = 2,956,204.32

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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.