Home / 2,686,550.40-4,029,825.60-889,711.20

Finding the Fourth Proportional to 2,686,550.40, 4,029,825.60 and 889,711.20

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Solution

The fourth proportional to 2,686,550.40, 4,029,825.60 and 889,711.20 is: 1,334,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,550.40 : 4,029,825.60 = 889,711.20 : x
  2. Step 2: Convert to fraction form
    2,686,550.40/4,029,825.60 = 889,711.20/x
  3. Step 3: Cross multiply
    2,686,550.40x = 4,029,825.60 × 889,711.20
  4. Step 4: Simplify right side
    2,686,550.40x = 3,585,380,970,366.72
  5. Step 5: Solve for x
    x = 3,585,380,970,366.72/2,686,550.40
  6. Step 6: Final answer
    x = 1,334,566.80

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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.