Home / 1,478,618.92-2,219,172.54-1,385,306.92

Finding the Fourth Proportional to 1,478,618.92, 2,219,172.54 and 1,385,306.92

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Solution

The fourth proportional to 1,478,618.92, 2,219,172.54 and 1,385,306.92 is: 2,079,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,618.92 : 2,219,172.54 = 1,385,306.92 : x
  2. Step 2: Convert to fraction form
    1,478,618.92/2,219,172.54 = 1,385,306.92/x
  3. Step 3: Cross multiply
    1,478,618.92x = 2,219,172.54 × 1,385,306.92
  4. Step 4: Simplify right side
    1,478,618.92x = 3,074,235,076,335.98
  5. Step 5: Solve for x
    x = 3,074,235,076,335.98/1,478,618.92
  6. Step 6: Final answer
    x = 2,079,126.02

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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.