Home / 5,377,487.86-8,069,956.08-2,138,693.05

Finding the Fourth Proportional to 5,377,487.86, 8,069,956.08 and 2,138,693.05

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Solution

The fourth proportional to 5,377,487.86, 8,069,956.08 and 2,138,693.05 is: 3,209,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,487.86 : 8,069,956.08 = 2,138,693.05 : x
  2. Step 2: Convert to fraction form
    5,377,487.86/8,069,956.08 = 2,138,693.05/x
  3. Step 3: Cross multiply
    5,377,487.86x = 8,069,956.08 × 2,138,693.05
  4. Step 4: Simplify right side
    5,377,487.86x = 17,259,158,982,101.24
  5. Step 5: Solve for x
    x = 17,259,158,982,101.24/5,377,487.86
  6. Step 6: Final answer
    x = 3,209,520.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.