Home / 3,888,029.40-5,829,279.30-1,490,947.80

Finding the Fourth Proportional to 3,888,029.40, 5,829,279.30 and 1,490,947.80

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Solution

The fourth proportional to 3,888,029.40, 5,829,279.30 and 1,490,947.80 is: 2,235,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,029.40 : 5,829,279.30 = 1,490,947.80 : x
  2. Step 2: Convert to fraction form
    3,888,029.40/5,829,279.30 = 1,490,947.80/x
  3. Step 3: Cross multiply
    3,888,029.40x = 5,829,279.30 × 1,490,947.80
  4. Step 4: Simplify right side
    3,888,029.40x = 8,691,151,147,920.54
  5. Step 5: Solve for x
    x = 8,691,151,147,920.54/3,888,029.40
  6. Step 6: Final answer
    x = 2,235,361.48

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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.