Home / 3,201,862.20-4,805,514.90-1,309,961.40

Finding the Fourth Proportional to 3,201,862.20, 4,805,514.90 and 1,309,961.40

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Solution

The fourth proportional to 3,201,862.20, 4,805,514.90 and 1,309,961.40 is: 1,966,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201,862.20 : 4,805,514.90 = 1,309,961.40 : x
  2. Step 2: Convert to fraction form
    3,201,862.20/4,805,514.90 = 1,309,961.40/x
  3. Step 3: Cross multiply
    3,201,862.20x = 4,805,514.90 × 1,309,961.40
  4. Step 4: Simplify right side
    3,201,862.20x = 6,295,039,026,124.86
  5. Step 5: Solve for x
    x = 6,295,039,026,124.86/3,201,862.20
  6. Step 6: Final answer
    x = 1,966,055.57

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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.