Home / 3,638,390.70-5,458,242.15-1,508,690.10

Finding the Fourth Proportional to 3,638,390.70, 5,458,242.15 and 1,508,690.10

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Solution

The fourth proportional to 3,638,390.70, 5,458,242.15 and 1,508,690.10 is: 2,263,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,390.70 : 5,458,242.15 = 1,508,690.10 : x
  2. Step 2: Convert to fraction form
    3,638,390.70/5,458,242.15 = 1,508,690.10/x
  3. Step 3: Cross multiply
    3,638,390.70x = 5,458,242.15 × 1,508,690.10
  4. Step 4: Simplify right side
    3,638,390.70x = 8,234,795,895,107.72
  5. Step 5: Solve for x
    x = 8,234,795,895,107.72/3,638,390.70
  6. Step 6: Final answer
    x = 2,263,307.21

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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.