Home / 2,238,591.85-3,088,878.53-1,258,400.32

Finding the Fourth Proportional to 2,238,591.85, 3,088,878.53 and 1,258,400.32

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Solution

The fourth proportional to 2,238,591.85, 3,088,878.53 and 1,258,400.32 is: 1,736,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,591.85 : 3,088,878.53 = 1,258,400.32 : x
  2. Step 2: Convert to fraction form
    2,238,591.85/3,088,878.53 = 1,258,400.32/x
  3. Step 3: Cross multiply
    2,238,591.85x = 3,088,878.53 × 1,258,400.32
  4. Step 4: Simplify right side
    2,238,591.85x = 3,887,045,730,593.13
  5. Step 5: Solve for x
    x = 3,887,045,730,593.13/2,238,591.85
  6. Step 6: Final answer
    x = 1,736,379.83

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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.