Home / 1,681,346.20-2,320,190.89-993,239.02

Finding the Fourth Proportional to 1,681,346.20, 2,320,190.89 and 993,239.02

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Solution

The fourth proportional to 1,681,346.20, 2,320,190.89 and 993,239.02 is: 1,370,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,346.20 : 2,320,190.89 = 993,239.02 : x
  2. Step 2: Convert to fraction form
    1,681,346.20/2,320,190.89 = 993,239.02/x
  3. Step 3: Cross multiply
    1,681,346.20x = 2,320,190.89 × 993,239.02
  4. Step 4: Simplify right side
    1,681,346.20x = 2,304,504,125,796.53
  5. Step 5: Solve for x
    x = 2,304,504,125,796.53/1,681,346.20
  6. Step 6: Final answer
    x = 1,370,630.35

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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.