Home / 2,918,591.60-4,380,578.55-1,480,284.45

Finding the Fourth Proportional to 2,918,591.60, 4,380,578.55 and 1,480,284.45

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Solution

The fourth proportional to 2,918,591.60, 4,380,578.55 and 1,480,284.45 is: 2,221,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,591.60 : 4,380,578.55 = 1,480,284.45 : x
  2. Step 2: Convert to fraction form
    2,918,591.60/4,380,578.55 = 1,480,284.45/x
  3. Step 3: Cross multiply
    2,918,591.60x = 4,380,578.55 × 1,480,284.45
  4. Step 4: Simplify right side
    2,918,591.60x = 6,484,502,309,568.55
  5. Step 5: Solve for x
    x = 6,484,502,309,568.55/2,918,591.60
  6. Step 6: Final answer
    x = 2,221,791.61

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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.