Home / 2,947,129.72-4,420,694.60-1,053,756.36

Finding the Fourth Proportional to 2,947,129.72, 4,420,694.60 and 1,053,756.36

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Solution

The fourth proportional to 2,947,129.72, 4,420,694.60 and 1,053,756.36 is: 1,580,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,129.72 : 4,420,694.60 = 1,053,756.36 : x
  2. Step 2: Convert to fraction form
    2,947,129.72/4,420,694.60 = 1,053,756.36/x
  3. Step 3: Cross multiply
    2,947,129.72x = 4,420,694.60 × 1,053,756.36
  4. Step 4: Simplify right side
    2,947,129.72x = 4,658,335,050,367.66
  5. Step 5: Solve for x
    x = 4,658,335,050,367.66/2,947,129.72
  6. Step 6: Final answer
    x = 1,580,634.55

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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.