Home / 4,752,741.70-7,129,112.55-1,557,097.30

Finding the Fourth Proportional to 4,752,741.70, 7,129,112.55 and 1,557,097.30

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Solution

The fourth proportional to 4,752,741.70, 7,129,112.55 and 1,557,097.30 is: 2,335,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,741.70 : 7,129,112.55 = 1,557,097.30 : x
  2. Step 2: Convert to fraction form
    4,752,741.70/7,129,112.55 = 1,557,097.30/x
  3. Step 3: Cross multiply
    4,752,741.70x = 7,129,112.55 × 1,557,097.30
  4. Step 4: Simplify right side
    4,752,741.70x = 11,100,721,903,001.12
  5. Step 5: Solve for x
    x = 11,100,721,903,001.12/4,752,741.70
  6. Step 6: Final answer
    x = 2,335,645.95

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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.