Home / 5,283,812.40-7,920,469.80-2,438,962.80

Finding the Fourth Proportional to 5,283,812.40, 7,920,469.80 and 2,438,962.80

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Solution

The fourth proportional to 5,283,812.40, 7,920,469.80 and 2,438,962.80 is: 3,656,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283,812.40 : 7,920,469.80 = 2,438,962.80 : x
  2. Step 2: Convert to fraction form
    5,283,812.40/7,920,469.80 = 2,438,962.80/x
  3. Step 3: Cross multiply
    5,283,812.40x = 7,920,469.80 × 2,438,962.80
  4. Step 4: Simplify right side
    5,283,812.40x = 19,317,731,200,723.44
  5. Step 5: Solve for x
    x = 19,317,731,200,723.44/5,283,812.40
  6. Step 6: Final answer
    x = 3,656,021.40

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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.