Home / 3,640,690.05-5,459,290.12-1,720,002.39

Finding the Fourth Proportional to 3,640,690.05, 5,459,290.12 and 1,720,002.39

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Solution

The fourth proportional to 3,640,690.05, 5,459,290.12 and 1,720,002.39 is: 2,579,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,690.05 : 5,459,290.12 = 1,720,002.39 : x
  2. Step 2: Convert to fraction form
    3,640,690.05/5,459,290.12 = 1,720,002.39/x
  3. Step 3: Cross multiply
    3,640,690.05x = 5,459,290.12 × 1,720,002.39
  4. Step 4: Simplify right side
    3,640,690.05x = 9,389,992,054,103.39
  5. Step 5: Solve for x
    x = 9,389,992,054,103.39/3,640,690.05
  6. Step 6: Final answer
    x = 2,579,179.20

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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.