Home / 3,906,875.60-5,391,231.72-2,187,602

Finding the Fourth Proportional to 3,906,875.60, 5,391,231.72 and 2,187,602

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Solution

The fourth proportional to 3,906,875.60, 5,391,231.72 and 2,187,602 is: 3,018,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,875.60 : 5,391,231.72 = 2,187,602 : x
  2. Step 2: Convert to fraction form
    3,906,875.60/5,391,231.72 = 2,187,602/x
  3. Step 3: Cross multiply
    3,906,875.60x = 5,391,231.72 × 2,187,602
  4. Step 4: Simplify right side
    3,906,875.60x = 11,793,869,293,135.44
  5. Step 5: Solve for x
    x = 11,793,869,293,135.44/3,906,875.60
  6. Step 6: Final answer
    x = 3,018,747.08

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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.