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Finding the Fourth Proportional to 3,499,486.92, 4,829,291.91 and 1,889,854.92

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Solution

The fourth proportional to 3,499,486.92, 4,829,291.91 and 1,889,854.92 is: 2,607,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,486.92 : 4,829,291.91 = 1,889,854.92 : x
  2. Step 2: Convert to fraction form
    3,499,486.92/4,829,291.91 = 1,889,854.92/x
  3. Step 3: Cross multiply
    3,499,486.92x = 4,829,291.91 × 1,889,854.92
  4. Step 4: Simplify right side
    3,499,486.92x = 9,126,661,076,229.70
  5. Step 5: Solve for x
    x = 9,126,661,076,229.70/3,499,486.92
  6. Step 6: Final answer
    x = 2,607,999.77

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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.