Home / 2,279,877.60-3,415,150.80-1,158,578.40

Finding the Fourth Proportional to 2,279,877.60, 3,415,150.80 and 1,158,578.40

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Solution

The fourth proportional to 2,279,877.60, 3,415,150.80 and 1,158,578.40 is: 1,735,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,877.60 : 3,415,150.80 = 1,158,578.40 : x
  2. Step 2: Convert to fraction form
    2,279,877.60/3,415,150.80 = 1,158,578.40/x
  3. Step 3: Cross multiply
    2,279,877.60x = 3,415,150.80 × 1,158,578.40
  4. Step 4: Simplify right side
    2,279,877.60x = 3,956,719,949,622.72
  5. Step 5: Solve for x
    x = 3,956,719,949,622.72/2,279,877.60
  6. Step 6: Final answer
    x = 1,735,496.66

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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.