Home / 2,175,850-3,002,497.12-1,258,138.68

Finding the Fourth Proportional to 2,175,850, 3,002,497.12 and 1,258,138.68

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Solution

The fourth proportional to 2,175,850, 3,002,497.12 and 1,258,138.68 is: 1,736,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,850 : 3,002,497.12 = 1,258,138.68 : x
  2. Step 2: Convert to fraction form
    2,175,850/3,002,497.12 = 1,258,138.68/x
  3. Step 3: Cross multiply
    2,175,850x = 3,002,497.12 × 1,258,138.68
  4. Step 4: Simplify right side
    2,175,850x = 3,777,557,763,260.60
  5. Step 5: Solve for x
    x = 3,777,557,763,260.60/2,175,850
  6. Step 6: Final answer
    x = 1,736,129.68

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1.5x scale

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.