Home / 2,847,963.75-4,272,645.60-853,419.75

Finding the Fourth Proportional to 2,847,963.75, 4,272,645.60 and 853,419.75

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Solution

The fourth proportional to 2,847,963.75, 4,272,645.60 and 853,419.75 is: 1,280,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,963.75 : 4,272,645.60 = 853,419.75 : x
  2. Step 2: Convert to fraction form
    2,847,963.75/4,272,645.60 = 853,419.75/x
  3. Step 3: Cross multiply
    2,847,963.75x = 4,272,645.60 × 853,419.75
  4. Step 4: Simplify right side
    2,847,963.75x = 3,646,360,139,790.60
  5. Step 5: Solve for x
    x = 3,646,360,139,790.60/2,847,963.75
  6. Step 6: Final answer
    x = 1,280,339.38

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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.