Home / 3,421,693.17-4,722,988.23-1,972,357.74

Finding the Fourth Proportional to 3,421,693.17, 4,722,988.23 and 1,972,357.74

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Solution

The fourth proportional to 3,421,693.17, 4,722,988.23 and 1,972,357.74 is: 2,722,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,693.17 : 4,722,988.23 = 1,972,357.74 : x
  2. Step 2: Convert to fraction form
    3,421,693.17/4,722,988.23 = 1,972,357.74/x
  3. Step 3: Cross multiply
    3,421,693.17x = 4,722,988.23 × 1,972,357.74
  4. Step 4: Simplify right side
    3,421,693.17x = 9,315,422,391,369.40
  5. Step 5: Solve for x
    x = 9,315,422,391,369.40/3,421,693.17
  6. Step 6: Final answer
    x = 2,722,459.88

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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.