Home / 4,885,687.60-7,328,531.40-2,187,148.30

Finding the Fourth Proportional to 4,885,687.60, 7,328,531.40 and 2,187,148.30

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Solution

The fourth proportional to 4,885,687.60, 7,328,531.40 and 2,187,148.30 is: 3,280,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,687.60 : 7,328,531.40 = 2,187,148.30 : x
  2. Step 2: Convert to fraction form
    4,885,687.60/7,328,531.40 = 2,187,148.30/x
  3. Step 3: Cross multiply
    4,885,687.60x = 7,328,531.40 × 2,187,148.30
  4. Step 4: Simplify right side
    4,885,687.60x = 16,028,584,993,006.62
  5. Step 5: Solve for x
    x = 16,028,584,993,006.62/4,885,687.60
  6. Step 6: Final answer
    x = 3,280,722.45

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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.