Home / 1,867,481.31-2,577,089.21-1,142,275.76

Finding the Fourth Proportional to 1,867,481.31, 2,577,089.21 and 1,142,275.76

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Solution

The fourth proportional to 1,867,481.31, 2,577,089.21 and 1,142,275.76 is: 1,576,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,481.31 : 2,577,089.21 = 1,142,275.76 : x
  2. Step 2: Convert to fraction form
    1,867,481.31/2,577,089.21 = 1,142,275.76/x
  3. Step 3: Cross multiply
    1,867,481.31x = 2,577,089.21 × 1,142,275.76
  4. Step 4: Simplify right side
    1,867,481.31x = 2,943,746,517,343.72
  5. Step 5: Solve for x
    x = 2,943,746,517,343.72/1,867,481.31
  6. Step 6: Final answer
    x = 1,576,319.13

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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.