Home / 4,112,985.60-6,169,478.40-1,080,151.20

Finding the Fourth Proportional to 4,112,985.60, 6,169,478.40 and 1,080,151.20

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Solution

The fourth proportional to 4,112,985.60, 6,169,478.40 and 1,080,151.20 is: 1,620,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112,985.60 : 6,169,478.40 = 1,080,151.20 : x
  2. Step 2: Convert to fraction form
    4,112,985.60/6,169,478.40 = 1,080,151.20/x
  3. Step 3: Cross multiply
    4,112,985.60x = 6,169,478.40 × 1,080,151.20
  4. Step 4: Simplify right side
    4,112,985.60x = 6,663,969,497,134.08
  5. Step 5: Solve for x
    x = 6,663,969,497,134.08/4,112,985.60
  6. Step 6: Final answer
    x = 1,620,226.80

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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.