Home / 2,385,885-3,292,521.30-1,312,797

Finding the Fourth Proportional to 2,385,885, 3,292,521.30 and 1,312,797

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Solution

The fourth proportional to 2,385,885, 3,292,521.30 and 1,312,797 is: 1,811,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,885 : 3,292,521.30 = 1,312,797 : x
  2. Step 2: Convert to fraction form
    2,385,885/3,292,521.30 = 1,312,797/x
  3. Step 3: Cross multiply
    2,385,885x = 3,292,521.30 × 1,312,797
  4. Step 4: Simplify right side
    2,385,885x = 4,322,412,085,076.10
  5. Step 5: Solve for x
    x = 4,322,412,085,076.10/2,385,885
  6. Step 6: Final answer
    x = 1,811,659.86

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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.