Home / 2,915,765.96-4,375,281.90-1,234,128.20

Finding the Fourth Proportional to 2,915,765.96, 4,375,281.90 and 1,234,128.20

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Solution

The fourth proportional to 2,915,765.96, 4,375,281.90 and 1,234,128.20 is: 1,851,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,765.96 : 4,375,281.90 = 1,234,128.20 : x
  2. Step 2: Convert to fraction form
    2,915,765.96/4,375,281.90 = 1,234,128.20/x
  3. Step 3: Cross multiply
    2,915,765.96x = 4,375,281.90 × 1,234,128.20
  4. Step 4: Simplify right side
    2,915,765.96x = 5,399,658,775,739.58
  5. Step 5: Solve for x
    x = 5,399,658,775,739.58/2,915,765.96
  6. Step 6: Final answer
    x = 1,851,883.47

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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.