Home / 1,820,101.20-2,730,151.80-621,843.90

Finding the Fourth Proportional to 1,820,101.20, 2,730,151.80 and 621,843.90

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Solution

The fourth proportional to 1,820,101.20, 2,730,151.80 and 621,843.90 is: 932,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,101.20 : 2,730,151.80 = 621,843.90 : x
  2. Step 2: Convert to fraction form
    1,820,101.20/2,730,151.80 = 621,843.90/x
  3. Step 3: Cross multiply
    1,820,101.20x = 2,730,151.80 × 621,843.90
  4. Step 4: Simplify right side
    1,820,101.20x = 1,697,728,242,904.02
  5. Step 5: Solve for x
    x = 1,697,728,242,904.02/1,820,101.20
  6. Step 6: Final answer
    x = 932,765.85

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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.