Home / 2,550,919.55-3,520,306.98-1,389,419.36

Finding the Fourth Proportional to 2,550,919.55, 3,520,306.98 and 1,389,419.36

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Solution

The fourth proportional to 2,550,919.55, 3,520,306.98 and 1,389,419.36 is: 1,917,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,919.55 : 3,520,306.98 = 1,389,419.36 : x
  2. Step 2: Convert to fraction form
    2,550,919.55/3,520,306.98 = 1,389,419.36/x
  3. Step 3: Cross multiply
    2,550,919.55x = 3,520,306.98 × 1,389,419.36
  4. Step 4: Simplify right side
    2,550,919.55x = 4,891,182,646,606.50
  5. Step 5: Solve for x
    x = 4,891,182,646,606.50/2,550,919.55
  6. Step 6: Final answer
    x = 1,917,419.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.