Home / 3,156,891.15-4,356,403.72-1,995,962.30

Finding the Fourth Proportional to 3,156,891.15, 4,356,403.72 and 1,995,962.30

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Solution

The fourth proportional to 3,156,891.15, 4,356,403.72 and 1,995,962.30 is: 2,754,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,891.15 : 4,356,403.72 = 1,995,962.30 : x
  2. Step 2: Convert to fraction form
    3,156,891.15/4,356,403.72 = 1,995,962.30/x
  3. Step 3: Cross multiply
    3,156,891.15x = 4,356,403.72 × 1,995,962.30
  4. Step 4: Simplify right side
    3,156,891.15x = 8,695,217,588,699.76
  5. Step 5: Solve for x
    x = 8,695,217,588,699.76/3,156,891.15
  6. Step 6: Final answer
    x = 2,754,360.91

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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.