Home / 2,746,288.80-4,120,210.80-853,221.60

Finding the Fourth Proportional to 2,746,288.80, 4,120,210.80 and 853,221.60

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Solution

The fourth proportional to 2,746,288.80, 4,120,210.80 and 853,221.60 is: 1,280,073.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,288.80 : 4,120,210.80 = 853,221.60 : x
  2. Step 2: Convert to fraction form
    2,746,288.80/4,120,210.80 = 853,221.60/x
  3. Step 3: Cross multiply
    2,746,288.80x = 4,120,210.80 × 853,221.60
  4. Step 4: Simplify right side
    2,746,288.80x = 3,515,452,851,113.28
  5. Step 5: Solve for x
    x = 3,515,452,851,113.28/2,746,288.80
  6. Step 6: Final answer
    x = 1,280,073.99

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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.