Home / 2,257,866.62-3,115,405.19-1,374,223.90

Finding the Fourth Proportional to 2,257,866.62, 3,115,405.19 and 1,374,223.90

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Solution

The fourth proportional to 2,257,866.62, 3,115,405.19 and 1,374,223.90 is: 1,896,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,866.62 : 3,115,405.19 = 1,374,223.90 : x
  2. Step 2: Convert to fraction form
    2,257,866.62/3,115,405.19 = 1,374,223.90/x
  3. Step 3: Cross multiply
    2,257,866.62x = 3,115,405.19 × 1,374,223.90
  4. Step 4: Simplify right side
    2,257,866.62x = 4,281,264,280,532.55
  5. Step 5: Solve for x
    x = 4,281,264,280,532.55/2,257,866.62
  6. Step 6: Final answer
    x = 1,896,154.64

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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.