Home / 3,317,638.40-4,967,126.40-2,981,715.20

Finding the Fourth Proportional to 3,317,638.40, 4,967,126.40 and 2,981,715.20

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Solution

The fourth proportional to 3,317,638.40, 4,967,126.40 and 2,981,715.20 is: 4,464,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,638.40 : 4,967,126.40 = 2,981,715.20 : x
  2. Step 2: Convert to fraction form
    3,317,638.40/4,967,126.40 = 2,981,715.20/x
  3. Step 3: Cross multiply
    3,317,638.40x = 4,967,126.40 × 2,981,715.20
  4. Step 4: Simplify right side
    3,317,638.40x = 14,810,556,287,201.28
  5. Step 5: Solve for x
    x = 14,810,556,287,201.28/3,317,638.40
  6. Step 6: Final answer
    x = 4,464,186.42

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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.