Home / 4,080,781.60-6,120,913.20-1,385,101.60

Finding the Fourth Proportional to 4,080,781.60, 6,120,913.20 and 1,385,101.60

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Solution

The fourth proportional to 4,080,781.60, 6,120,913.20 and 1,385,101.60 is: 2,077,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,781.60 : 6,120,913.20 = 1,385,101.60 : x
  2. Step 2: Convert to fraction form
    4,080,781.60/6,120,913.20 = 1,385,101.60/x
  3. Step 3: Cross multiply
    4,080,781.60x = 6,120,913.20 × 1,385,101.60
  4. Step 4: Simplify right side
    4,080,781.60x = 8,478,086,666,781.12
  5. Step 5: Solve for x
    x = 8,478,086,666,781.12/4,080,781.60
  6. Step 6: Final answer
    x = 2,077,564.42

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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.