Home / 5,154,688.92-7,113,618.30-2,862,997.20

Finding the Fourth Proportional to 5,154,688.92, 7,113,618.30 and 2,862,997.20

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Solution

The fourth proportional to 5,154,688.92, 7,113,618.30 and 2,862,997.20 is: 3,951,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,688.92 : 7,113,618.30 = 2,862,997.20 : x
  2. Step 2: Convert to fraction form
    5,154,688.92/7,113,618.30 = 2,862,997.20/x
  3. Step 3: Cross multiply
    5,154,688.92x = 7,113,618.30 × 2,862,997.20
  4. Step 4: Simplify right side
    5,154,688.92x = 20,366,269,274,768.76
  5. Step 5: Solve for x
    x = 20,366,269,274,768.76/5,154,688.92
  6. Step 6: Final answer
    x = 3,951,018.11

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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.