Home / 2,319,410.77-3,200,962.18-1,287,113.97

Finding the Fourth Proportional to 2,319,410.77, 3,200,962.18 and 1,287,113.97

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Solution

The fourth proportional to 2,319,410.77, 3,200,962.18 and 1,287,113.97 is: 1,776,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,410.77 : 3,200,962.18 = 1,287,113.97 : x
  2. Step 2: Convert to fraction form
    2,319,410.77/3,200,962.18 = 1,287,113.97/x
  3. Step 3: Cross multiply
    2,319,410.77x = 3,200,962.18 × 1,287,113.97
  4. Step 4: Simplify right side
    2,319,410.77x = 4,120,003,126,511.60
  5. Step 5: Solve for x
    x = 4,120,003,126,511.60/2,319,410.77
  6. Step 6: Final answer
    x = 1,776,314.56

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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.