Home / 3,561,920.80-5,346,380.40-1,766,831.20

Finding the Fourth Proportional to 3,561,920.80, 5,346,380.40 and 1,766,831.20

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Solution

The fourth proportional to 3,561,920.80, 5,346,380.40 and 1,766,831.20 is: 2,651,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,920.80 : 5,346,380.40 = 1,766,831.20 : x
  2. Step 2: Convert to fraction form
    3,561,920.80/5,346,380.40 = 1,766,831.20/x
  3. Step 3: Cross multiply
    3,561,920.80x = 5,346,380.40 × 1,766,831.20
  4. Step 4: Simplify right side
    3,561,920.80x = 9,446,151,697,788.48
  5. Step 5: Solve for x
    x = 9,446,151,697,788.48/3,561,920.80
  6. Step 6: Final answer
    x = 2,651,982.52

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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.