Home / 1,815,279.90-2,721,228.34-616,382.46

Finding the Fourth Proportional to 1,815,279.90, 2,721,228.34 and 616,382.46

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Solution

The fourth proportional to 1,815,279.90, 2,721,228.34 and 616,382.46 is: 923,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,279.90 : 2,721,228.34 = 616,382.46 : x
  2. Step 2: Convert to fraction form
    1,815,279.90/2,721,228.34 = 616,382.46/x
  3. Step 3: Cross multiply
    1,815,279.90x = 2,721,228.34 × 616,382.46
  4. Step 4: Simplify right side
    1,815,279.90x = 1,677,317,418,430.92
  5. Step 5: Solve for x
    x = 1,677,317,418,430.92/1,815,279.90
  6. Step 6: Final answer
    x = 923,999.33

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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.