Home / 3,391,982-5,090,305.80-1,397,438

Finding the Fourth Proportional to 3,391,982, 5,090,305.80 and 1,397,438

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Solution

The fourth proportional to 3,391,982, 5,090,305.80 and 1,397,438 is: 2,097,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,982 : 5,090,305.80 = 1,397,438 : x
  2. Step 2: Convert to fraction form
    3,391,982/5,090,305.80 = 1,397,438/x
  3. Step 3: Cross multiply
    3,391,982x = 5,090,305.80 × 1,397,438
  4. Step 4: Simplify right side
    3,391,982x = 7,113,386,756,540.40
  5. Step 5: Solve for x
    x = 7,113,386,756,540.40/3,391,982
  6. Step 6: Final answer
    x = 2,097,118.07

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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.