Home / 2,575,807.20-3,860,600.40-1,312,984.80

Finding the Fourth Proportional to 2,575,807.20, 3,860,600.40 and 1,312,984.80

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Solution

The fourth proportional to 2,575,807.20, 3,860,600.40 and 1,312,984.80 is: 1,967,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,807.20 : 3,860,600.40 = 1,312,984.80 : x
  2. Step 2: Convert to fraction form
    2,575,807.20/3,860,600.40 = 1,312,984.80/x
  3. Step 3: Cross multiply
    2,575,807.20x = 3,860,600.40 × 1,312,984.80
  4. Step 4: Simplify right side
    2,575,807.20x = 5,068,909,644,073.92
  5. Step 5: Solve for x
    x = 5,068,909,644,073.92/2,575,807.20
  6. Step 6: Final answer
    x = 1,967,891.71

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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.