Home / 1,912,073.58-2,866,010.85-648,949.86

Finding the Fourth Proportional to 1,912,073.58, 2,866,010.85 and 648,949.86

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Solution

The fourth proportional to 1,912,073.58, 2,866,010.85 and 648,949.86 is: 972,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,073.58 : 2,866,010.85 = 648,949.86 : x
  2. Step 2: Convert to fraction form
    1,912,073.58/2,866,010.85 = 648,949.86/x
  3. Step 3: Cross multiply
    1,912,073.58x = 2,866,010.85 × 648,949.86
  4. Step 4: Simplify right side
    1,912,073.58x = 1,859,897,339,865.98
  5. Step 5: Solve for x
    x = 1,859,897,339,865.98/1,912,073.58
  6. Step 6: Final answer
    x = 972,712.22

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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.