Home / 3,478,780.49-5,219,618.02-1,532,512.98

Finding the Fourth Proportional to 3,478,780.49, 5,219,618.02 and 1,532,512.98

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Solution

The fourth proportional to 3,478,780.49, 5,219,618.02 and 1,532,512.98 is: 2,299,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,780.49 : 5,219,618.02 = 1,532,512.98 : x
  2. Step 2: Convert to fraction form
    3,478,780.49/5,219,618.02 = 1,532,512.98/x
  3. Step 3: Cross multiply
    3,478,780.49x = 5,219,618.02 × 1,532,512.98
  4. Step 4: Simplify right side
    3,478,780.49x = 7,999,132,366,291.90
  5. Step 5: Solve for x
    x = 7,999,132,366,291.90/3,478,780.49
  6. Step 6: Final answer
    x = 2,299,407.04

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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.