Home / 2,970,422.12-4,098,480.03-1,681,262.57

Finding the Fourth Proportional to 2,970,422.12, 4,098,480.03 and 1,681,262.57

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Solution

The fourth proportional to 2,970,422.12, 4,098,480.03 and 1,681,262.57 is: 2,319,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,422.12 : 4,098,480.03 = 1,681,262.57 : x
  2. Step 2: Convert to fraction form
    2,970,422.12/4,098,480.03 = 1,681,262.57/x
  3. Step 3: Cross multiply
    2,970,422.12x = 4,098,480.03 × 1,681,262.57
  4. Step 4: Simplify right side
    2,970,422.12x = 6,890,621,047,839.08
  5. Step 5: Solve for x
    x = 6,890,621,047,839.08/2,970,422.12
  6. Step 6: Final answer
    x = 2,319,744.73

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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.