Home / 2,172,475.22-2,998,017.53-1,205,606.28

Finding the Fourth Proportional to 2,172,475.22, 2,998,017.53 and 1,205,606.28

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Solution

The fourth proportional to 2,172,475.22, 2,998,017.53 and 1,205,606.28 is: 1,663,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,475.22 : 2,998,017.53 = 1,205,606.28 : x
  2. Step 2: Convert to fraction form
    2,172,475.22/2,998,017.53 = 1,205,606.28/x
  3. Step 3: Cross multiply
    2,172,475.22x = 2,998,017.53 × 1,205,606.28
  4. Step 4: Simplify right side
    2,172,475.22x = 3,614,428,761,718.09
  5. Step 5: Solve for x
    x = 3,614,428,761,718.09/2,172,475.22
  6. Step 6: Final answer
    x = 1,663,737.62

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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.