Home / 2,912,015.40-4,368,023.10-2,856,028.20

Finding the Fourth Proportional to 2,912,015.40, 4,368,023.10 and 2,856,028.20

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Solution

The fourth proportional to 2,912,015.40, 4,368,023.10 and 2,856,028.20 is: 4,284,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,015.40 : 4,368,023.10 = 2,856,028.20 : x
  2. Step 2: Convert to fraction form
    2,912,015.40/4,368,023.10 = 2,856,028.20/x
  3. Step 3: Cross multiply
    2,912,015.40x = 4,368,023.10 × 2,856,028.20
  4. Step 4: Simplify right side
    2,912,015.40x = 12,475,197,151,851.42
  5. Step 5: Solve for x
    x = 12,475,197,151,851.42/2,912,015.40
  6. Step 6: Final answer
    x = 4,284,042.30

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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.