Home / 2,752,928.40-4,129,392.60-859,861.20

Finding the Fourth Proportional to 2,752,928.40, 4,129,392.60 and 859,861.20

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Solution

The fourth proportional to 2,752,928.40, 4,129,392.60 and 859,861.20 is: 1,289,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,928.40 : 4,129,392.60 = 859,861.20 : x
  2. Step 2: Convert to fraction form
    2,752,928.40/4,129,392.60 = 859,861.20/x
  3. Step 3: Cross multiply
    2,752,928.40x = 4,129,392.60 × 859,861.20
  4. Step 4: Simplify right side
    2,752,928.40x = 3,550,704,476,307.12
  5. Step 5: Solve for x
    x = 3,550,704,476,307.12/2,752,928.40
  6. Step 6: Final answer
    x = 1,289,791.80

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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.