Home / 1,478,617.92-2,219,171.04-1,385,305.92

Finding the Fourth Proportional to 1,478,617.92, 2,219,171.04 and 1,385,305.92

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Solution

The fourth proportional to 1,478,617.92, 2,219,171.04 and 1,385,305.92 is: 2,079,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,617.92 : 2,219,171.04 = 1,385,305.92 : x
  2. Step 2: Convert to fraction form
    1,478,617.92/2,219,171.04 = 1,385,305.92/x
  3. Step 3: Cross multiply
    1,478,617.92x = 2,219,171.04 × 1,385,305.92
  4. Step 4: Simplify right side
    1,478,617.92x = 3,074,230,779,204.56
  5. Step 5: Solve for x
    x = 3,074,230,779,204.56/1,478,617.92
  6. Step 6: Final answer
    x = 2,079,124.52

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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.