Home / 3,815,070.40-5,719,048.02-1,288,959.04

Finding the Fourth Proportional to 3,815,070.40, 5,719,048.02 and 1,288,959.04

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Solution

The fourth proportional to 3,815,070.40, 5,719,048.02 and 1,288,959.04 is: 1,932,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,070.40 : 5,719,048.02 = 1,288,959.04 : x
  2. Step 2: Convert to fraction form
    3,815,070.40/5,719,048.02 = 1,288,959.04/x
  3. Step 3: Cross multiply
    3,815,070.40x = 5,719,048.02 × 1,288,959.04
  4. Step 4: Simplify right side
    3,815,070.40x = 7,371,618,645,573.10
  5. Step 5: Solve for x
    x = 7,371,618,645,573.10/3,815,070.40
  6. Step 6: Final answer
    x = 1,932,236.60

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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.