Home / 3,069,785.52-4,235,272.92-1,780,155.36

Finding the Fourth Proportional to 3,069,785.52, 4,235,272.92 and 1,780,155.36

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Solution

The fourth proportional to 3,069,785.52, 4,235,272.92 and 1,780,155.36 is: 2,456,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069,785.52 : 4,235,272.92 = 1,780,155.36 : x
  2. Step 2: Convert to fraction form
    3,069,785.52/4,235,272.92 = 1,780,155.36/x
  3. Step 3: Cross multiply
    3,069,785.52x = 4,235,272.92 × 1,780,155.36
  4. Step 4: Simplify right side
    3,069,785.52x = 7,539,443,789,600.85
  5. Step 5: Solve for x
    x = 7,539,443,789,600.85/3,069,785.52
  6. Step 6: Final answer
    x = 2,456,016.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.