Home / 3,120,287.44-4,679,503.80-1,323,144.40

Finding the Fourth Proportional to 3,120,287.44, 4,679,503.80 and 1,323,144.40

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Solution

The fourth proportional to 3,120,287.44, 4,679,503.80 and 1,323,144.40 is: 1,984,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,287.44 : 4,679,503.80 = 1,323,144.40 : x
  2. Step 2: Convert to fraction form
    3,120,287.44/4,679,503.80 = 1,323,144.40/x
  3. Step 3: Cross multiply
    3,120,287.44x = 4,679,503.80 × 1,323,144.40
  4. Step 4: Simplify right side
    3,120,287.44x = 6,191,659,247,748.72
  5. Step 5: Solve for x
    x = 6,191,659,247,748.72/3,120,287.44
  6. Step 6: Final answer
    x = 1,984,323.36

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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.