Home / 5,639,099.47-7,781,965.14-3,060,780.79

Finding the Fourth Proportional to 5,639,099.47, 7,781,965.14 and 3,060,780.79

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Solution

The fourth proportional to 5,639,099.47, 7,781,965.14 and 3,060,780.79 is: 4,223,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,099.47 : 7,781,965.14 = 3,060,780.79 : x
  2. Step 2: Convert to fraction form
    5,639,099.47/7,781,965.14 = 3,060,780.79/x
  3. Step 3: Cross multiply
    5,639,099.47x = 7,781,965.14 × 3,060,780.79
  4. Step 4: Simplify right side
    5,639,099.47x = 23,818,889,408,961.66
  5. Step 5: Solve for x
    x = 23,818,889,408,961.66/5,639,099.47
  6. Step 6: Final answer
    x = 4,223,881.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.