Home / 4,479,830.70-6,722,370.45-1,640,229.90

Finding the Fourth Proportional to 4,479,830.70, 6,722,370.45 and 1,640,229.90

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Solution

The fourth proportional to 4,479,830.70, 6,722,370.45 and 1,640,229.90 is: 2,461,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,830.70 : 6,722,370.45 = 1,640,229.90 : x
  2. Step 2: Convert to fraction form
    4,479,830.70/6,722,370.45 = 1,640,229.90/x
  3. Step 3: Cross multiply
    4,479,830.70x = 6,722,370.45 × 1,640,229.90
  4. Step 4: Simplify right side
    4,479,830.70x = 11,026,233,010,966.46
  5. Step 5: Solve for x
    x = 11,026,233,010,966.46/4,479,830.70
  6. Step 6: Final answer
    x = 2,461,305.74

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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.