Home / 1,947,478.22-2,920,945.14-668,064.80

Finding the Fourth Proportional to 1,947,478.22, 2,920,945.14 and 668,064.80

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Solution

The fourth proportional to 1,947,478.22, 2,920,945.14 and 668,064.80 is: 1,002,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,478.22 : 2,920,945.14 = 668,064.80 : x
  2. Step 2: Convert to fraction form
    1,947,478.22/2,920,945.14 = 668,064.80/x
  3. Step 3: Cross multiply
    1,947,478.22x = 2,920,945.14 × 668,064.80
  4. Step 4: Simplify right side
    1,947,478.22x = 1,951,380,630,765.07
  5. Step 5: Solve for x
    x = 1,951,380,630,765.07/1,947,478.22
  6. Step 6: Final answer
    x = 1,002,003.83

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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.