Home / 5,131,221.02-7,695,587.36-2,137,772.06

Finding the Fourth Proportional to 5,131,221.02, 7,695,587.36 and 2,137,772.06

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Solution

The fourth proportional to 5,131,221.02, 7,695,587.36 and 2,137,772.06 is: 3,206,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,221.02 : 7,695,587.36 = 2,137,772.06 : x
  2. Step 2: Convert to fraction form
    5,131,221.02/7,695,587.36 = 2,137,772.06/x
  3. Step 3: Cross multiply
    5,131,221.02x = 7,695,587.36 × 2,137,772.06
  4. Step 4: Simplify right side
    5,131,221.02x = 16,451,411,610,363.66
  5. Step 5: Solve for x
    x = 16,451,411,610,363.66/5,131,221.02
  6. Step 6: Final answer
    x = 3,206,139.74

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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.