Home / 2,961,070.20-4,442,642.10-1,279,380.60

Finding the Fourth Proportional to 2,961,070.20, 4,442,642.10 and 1,279,380.60

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Solution

The fourth proportional to 2,961,070.20, 4,442,642.10 and 1,279,380.60 is: 1,919,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,070.20 : 4,442,642.10 = 1,279,380.60 : x
  2. Step 2: Convert to fraction form
    2,961,070.20/4,442,642.10 = 1,279,380.60/x
  3. Step 3: Cross multiply
    2,961,070.20x = 4,442,642.10 × 1,279,380.60
  4. Step 4: Simplify right side
    2,961,070.20x = 5,683,830,115,483.26
  5. Step 5: Solve for x
    x = 5,683,830,115,483.26/2,961,070.20
  6. Step 6: Final answer
    x = 1,919,518.87

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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.