Home / 2,015,442.80-3,023,164.20-667,813.40

Finding the Fourth Proportional to 2,015,442.80, 3,023,164.20 and 667,813.40

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Solution

The fourth proportional to 2,015,442.80, 3,023,164.20 and 667,813.40 is: 1,001,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,442.80 : 3,023,164.20 = 667,813.40 : x
  2. Step 2: Convert to fraction form
    2,015,442.80/3,023,164.20 = 667,813.40/x
  3. Step 3: Cross multiply
    2,015,442.80x = 3,023,164.20 × 667,813.40
  4. Step 4: Simplify right side
    2,015,442.80x = 2,018,909,563,160.28
  5. Step 5: Solve for x
    x = 2,018,909,563,160.28/2,015,442.80
  6. Step 6: Final answer
    x = 1,001,720.10

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Double scale
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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.