Home / 2,389,902.30-3,298,023.48-1,302,182.88

Finding the Fourth Proportional to 2,389,902.30, 3,298,023.48 and 1,302,182.88

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Solution

The fourth proportional to 2,389,902.30, 3,298,023.48 and 1,302,182.88 is: 1,796,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,902.30 : 3,298,023.48 = 1,302,182.88 : x
  2. Step 2: Convert to fraction form
    2,389,902.30/3,298,023.48 = 1,302,182.88/x
  3. Step 3: Cross multiply
    2,389,902.30x = 3,298,023.48 × 1,302,182.88
  4. Step 4: Simplify right side
    2,389,902.30x = 4,294,629,713,494.02
  5. Step 5: Solve for x
    x = 4,294,629,713,494.02/2,389,902.30
  6. Step 6: Final answer
    x = 1,796,989.66

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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.