Home / 2,652,492.12-3,979,514.40-855,339.16

Finding the Fourth Proportional to 2,652,492.12, 3,979,514.40 and 855,339.16

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Solution

The fourth proportional to 2,652,492.12, 3,979,514.40 and 855,339.16 is: 1,283,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,492.12 : 3,979,514.40 = 855,339.16 : x
  2. Step 2: Convert to fraction form
    2,652,492.12/3,979,514.40 = 855,339.16/x
  3. Step 3: Cross multiply
    2,652,492.12x = 3,979,514.40 × 855,339.16
  4. Step 4: Simplify right side
    2,652,492.12x = 3,403,834,504,103.90
  5. Step 5: Solve for x
    x = 3,403,834,504,103.90/2,652,492.12
  6. Step 6: Final answer
    x = 1,283,259.04

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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.