Home / 3,391,979-5,090,301.30-1,397,435

Finding the Fourth Proportional to 3,391,979, 5,090,301.30 and 1,397,435

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Solution

The fourth proportional to 3,391,979, 5,090,301.30 and 1,397,435 is: 2,097,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,979 : 5,090,301.30 = 1,397,435 : x
  2. Step 2: Convert to fraction form
    3,391,979/5,090,301.30 = 1,397,435/x
  3. Step 3: Cross multiply
    3,391,979x = 5,090,301.30 × 1,397,435
  4. Step 4: Simplify right side
    3,391,979x = 7,113,365,197,165.50
  5. Step 5: Solve for x
    x = 7,113,365,197,165.50/3,391,979
  6. Step 6: Final answer
    x = 2,097,113.57

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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.