Home / 3,639,836.40-5,438,432.95-3,512,543.43

Finding the Fourth Proportional to 3,639,836.40, 5,438,432.95 and 3,512,543.43

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Solution

The fourth proportional to 3,639,836.40, 5,438,432.95 and 3,512,543.43 is: 5,248,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,836.40 : 5,438,432.95 = 3,512,543.43 : x
  2. Step 2: Convert to fraction form
    3,639,836.40/5,438,432.95 = 3,512,543.43/x
  3. Step 3: Cross multiply
    3,639,836.40x = 5,438,432.95 × 3,512,543.43
  4. Step 4: Simplify right side
    3,639,836.40x = 19,102,731,939,630.78
  5. Step 5: Solve for x
    x = 19,102,731,939,630.78/3,639,836.40
  6. Step 6: Final answer
    x = 5,248,239.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.