Home / 2,139,184.77-2,952,098.19-1,172,294.25

Finding the Fourth Proportional to 2,139,184.77, 2,952,098.19 and 1,172,294.25

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Solution

The fourth proportional to 2,139,184.77, 2,952,098.19 and 1,172,294.25 is: 1,617,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,184.77 : 2,952,098.19 = 1,172,294.25 : x
  2. Step 2: Convert to fraction form
    2,139,184.77/2,952,098.19 = 1,172,294.25/x
  3. Step 3: Cross multiply
    2,139,184.77x = 2,952,098.19 × 1,172,294.25
  4. Step 4: Simplify right side
    2,139,184.77x = 3,460,727,733,572.41
  5. Step 5: Solve for x
    x = 3,460,727,733,572.41/2,139,184.77
  6. Step 6: Final answer
    x = 1,617,778.78

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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.