Home / 2,124,140.28-3,185,521.38-703,815

Finding the Fourth Proportional to 2,124,140.28, 3,185,521.38 and 703,815

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Solution

The fourth proportional to 2,124,140.28, 3,185,521.38 and 703,815 is: 1,055,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,140.28 : 3,185,521.38 = 703,815 : x
  2. Step 2: Convert to fraction form
    2,124,140.28/3,185,521.38 = 703,815/x
  3. Step 3: Cross multiply
    2,124,140.28x = 3,185,521.38 × 703,815
  4. Step 4: Simplify right side
    2,124,140.28x = 2,242,017,730,064.70
  5. Step 5: Solve for x
    x = 2,242,017,730,064.70/2,124,140.28
  6. Step 6: Final answer
    x = 1,055,494.19

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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.