Home / 4,752,559.40-7,128,839.10-1,557,789.80

Finding the Fourth Proportional to 4,752,559.40, 7,128,839.10 and 1,557,789.80

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Solution

The fourth proportional to 4,752,559.40, 7,128,839.10 and 1,557,789.80 is: 2,336,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,559.40 : 7,128,839.10 = 1,557,789.80 : x
  2. Step 2: Convert to fraction form
    4,752,559.40/7,128,839.10 = 1,557,789.80/x
  3. Step 3: Cross multiply
    4,752,559.40x = 7,128,839.10 × 1,557,789.80
  4. Step 4: Simplify right side
    4,752,559.40x = 11,105,232,835,821.18
  5. Step 5: Solve for x
    x = 11,105,232,835,821.18/4,752,559.40
  6. Step 6: Final answer
    x = 2,336,684.70

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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.