Home / 2,186,393.20-3,280,972.20-1,287,833.20

Finding the Fourth Proportional to 2,186,393.20, 3,280,972.20 and 1,287,833.20

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Solution

The fourth proportional to 2,186,393.20, 3,280,972.20 and 1,287,833.20 is: 1,932,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,393.20 : 3,280,972.20 = 1,287,833.20 : x
  2. Step 2: Convert to fraction form
    2,186,393.20/3,280,972.20 = 1,287,833.20/x
  3. Step 3: Cross multiply
    2,186,393.20x = 3,280,972.20 × 1,287,833.20
  4. Step 4: Simplify right side
    2,186,393.20x = 4,225,344,927,437.04
  5. Step 5: Solve for x
    x = 4,225,344,927,437.04/2,186,393.20
  6. Step 6: Final answer
    x = 1,932,564.06

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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.