Home / 2,486,543.60-3,729,815.40-1,988,879.60

Finding the Fourth Proportional to 2,486,543.60, 3,729,815.40 and 1,988,879.60

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Solution

The fourth proportional to 2,486,543.60, 3,729,815.40 and 1,988,879.60 is: 2,983,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,543.60 : 3,729,815.40 = 1,988,879.60 : x
  2. Step 2: Convert to fraction form
    2,486,543.60/3,729,815.40 = 1,988,879.60/x
  3. Step 3: Cross multiply
    2,486,543.60x = 3,729,815.40 × 1,988,879.60
  4. Step 4: Simplify right side
    2,486,543.60x = 7,418,153,760,825.84
  5. Step 5: Solve for x
    x = 7,418,153,760,825.84/2,486,543.60
  6. Step 6: Final answer
    x = 2,983,319.40

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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.