Home / 4,257,407.02-6,386,953.13-1,561,755.78

Finding the Fourth Proportional to 4,257,407.02, 6,386,953.13 and 1,561,755.78

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Solution

The fourth proportional to 4,257,407.02, 6,386,953.13 and 1,561,755.78 is: 2,342,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257,407.02 : 6,386,953.13 = 1,561,755.78 : x
  2. Step 2: Convert to fraction form
    4,257,407.02/6,386,953.13 = 1,561,755.78/x
  3. Step 3: Cross multiply
    4,257,407.02x = 6,386,953.13 × 1,561,755.78
  4. Step 4: Simplify right side
    4,257,407.02x = 9,974,860,967,366.59
  5. Step 5: Solve for x
    x = 9,974,860,967,366.59/4,257,407.02
  6. Step 6: Final answer
    x = 2,342,942.76

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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.