Home / 5,287,974.60-7,932,545.10-1,693,129.80

Finding the Fourth Proportional to 5,287,974.60, 7,932,545.10 and 1,693,129.80

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Solution

The fourth proportional to 5,287,974.60, 7,932,545.10 and 1,693,129.80 is: 2,539,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287,974.60 : 7,932,545.10 = 1,693,129.80 : x
  2. Step 2: Convert to fraction form
    5,287,974.60/7,932,545.10 = 1,693,129.80/x
  3. Step 3: Cross multiply
    5,287,974.60x = 7,932,545.10 × 1,693,129.80
  4. Step 4: Simplify right side
    5,287,974.60x = 13,430,828,498,653.98
  5. Step 5: Solve for x
    x = 13,430,828,498,653.98/5,287,974.60
  6. Step 6: Final answer
    x = 2,539,881.43

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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.