Home / 2,778,490.80-4,167,736.20-983,401.20

Finding the Fourth Proportional to 2,778,490.80, 4,167,736.20 and 983,401.20

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Solution

The fourth proportional to 2,778,490.80, 4,167,736.20 and 983,401.20 is: 1,475,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,490.80 : 4,167,736.20 = 983,401.20 : x
  2. Step 2: Convert to fraction form
    2,778,490.80/4,167,736.20 = 983,401.20/x
  3. Step 3: Cross multiply
    2,778,490.80x = 4,167,736.20 × 983,401.20
  4. Step 4: Simplify right side
    2,778,490.80x = 4,098,556,780,363.44
  5. Step 5: Solve for x
    x = 4,098,556,780,363.44/2,778,490.80
  6. Step 6: Final answer
    x = 1,475,101.80

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Similar ratio
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1.5x scale

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.