Home / 2,278,820.80-3,416,092.80-859,830.40

Finding the Fourth Proportional to 2,278,820.80, 3,416,092.80 and 859,830.40

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Solution

The fourth proportional to 2,278,820.80, 3,416,092.80 and 859,830.40 is: 1,288,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,820.80 : 3,416,092.80 = 859,830.40 : x
  2. Step 2: Convert to fraction form
    2,278,820.80/3,416,092.80 = 859,830.40/x
  3. Step 3: Cross multiply
    2,278,820.80x = 3,416,092.80 × 859,830.40
  4. Step 4: Simplify right side
    2,278,820.80x = 2,937,260,438,661.12
  5. Step 5: Solve for x
    x = 2,937,260,438,661.12/2,278,820.80
  6. Step 6: Final answer
    x = 1,288,938.75

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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.