Home / 2,920,608.76-4,030,439.85-1,631,449.14

Finding the Fourth Proportional to 2,920,608.76, 4,030,439.85 and 1,631,449.14

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Solution

The fourth proportional to 2,920,608.76, 4,030,439.85 and 1,631,449.14 is: 2,251,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,608.76 : 4,030,439.85 = 1,631,449.14 : x
  2. Step 2: Convert to fraction form
    2,920,608.76/4,030,439.85 = 1,631,449.14/x
  3. Step 3: Cross multiply
    2,920,608.76x = 4,030,439.85 × 1,631,449.14
  4. Step 4: Simplify right side
    2,920,608.76x = 6,575,457,627,104.23
  5. Step 5: Solve for x
    x = 6,575,457,627,104.23/2,920,608.76
  6. Step 6: Final answer
    x = 2,251,399.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.