Home / 3,150,123.40-4,722,074.70-1,551,377.80

Finding the Fourth Proportional to 3,150,123.40, 4,722,074.70 and 1,551,377.80

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Solution

The fourth proportional to 3,150,123.40, 4,722,074.70 and 1,551,377.80 is: 2,325,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,123.40 : 4,722,074.70 = 1,551,377.80 : x
  2. Step 2: Convert to fraction form
    3,150,123.40/4,722,074.70 = 1,551,377.80/x
  3. Step 3: Cross multiply
    3,150,123.40x = 4,722,074.70 × 1,551,377.80
  4. Step 4: Simplify right side
    3,150,123.40x = 7,325,721,859,521.66
  5. Step 5: Solve for x
    x = 7,325,721,859,521.66/3,150,123.40
  6. Step 6: Final answer
    x = 2,325,534.89

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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.