Home / 2,753,998.80-4,130,998.20-1,478,540.40

Finding the Fourth Proportional to 2,753,998.80, 4,130,998.20 and 1,478,540.40

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Solution

The fourth proportional to 2,753,998.80, 4,130,998.20 and 1,478,540.40 is: 2,217,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,998.80 : 4,130,998.20 = 1,478,540.40 : x
  2. Step 2: Convert to fraction form
    2,753,998.80/4,130,998.20 = 1,478,540.40/x
  3. Step 3: Cross multiply
    2,753,998.80x = 4,130,998.20 × 1,478,540.40
  4. Step 4: Simplify right side
    2,753,998.80x = 6,107,847,731,027.28
  5. Step 5: Solve for x
    x = 6,107,847,731,027.28/2,753,998.80
  6. Step 6: Final answer
    x = 2,217,810.60

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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.