Home / 1,367,998.20-1,919,921.40-1,367,998.20

Finding the Fourth Proportional to 1,367,998.20, 1,919,921.40 and 1,367,998.20

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Solution

The fourth proportional to 1,367,998.20, 1,919,921.40 and 1,367,998.20 is: 1,919,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,998.20 : 1,919,921.40 = 1,367,998.20 : x
  2. Step 2: Convert to fraction form
    1,367,998.20/1,919,921.40 = 1,367,998.20/x
  3. Step 3: Cross multiply
    1,367,998.20x = 1,919,921.40 × 1,367,998.20
  4. Step 4: Simplify right side
    1,367,998.20x = 2,626,449,019,341.48
  5. Step 5: Solve for x
    x = 2,626,449,019,341.48/1,367,998.20
  6. Step 6: Final answer
    x = 1,919,921.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.