Home / 2,639,538-3,642,523.56-1,551,931.92

Finding the Fourth Proportional to 2,639,538, 3,642,523.56 and 1,551,931.92

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Solution

The fourth proportional to 2,639,538, 3,642,523.56 and 1,551,931.92 is: 2,141,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,538 : 3,642,523.56 = 1,551,931.92 : x
  2. Step 2: Convert to fraction form
    2,639,538/3,642,523.56 = 1,551,931.92/x
  3. Step 3: Cross multiply
    2,639,538x = 3,642,523.56 × 1,551,931.92
  4. Step 4: Simplify right side
    2,639,538x = 5,652,948,582,116.04
  5. Step 5: Solve for x
    x = 5,652,948,582,116.04/2,639,538
  6. Step 6: Final answer
    x = 2,141,643.19

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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.