Home / 1,630,517.88-2,434,796.90-1,331,591.48

Finding the Fourth Proportional to 1,630,517.88, 2,434,796.90 and 1,331,591.48

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Solution

The fourth proportional to 1,630,517.88, 2,434,796.90 and 1,331,591.48 is: 1,988,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,517.88 : 2,434,796.90 = 1,331,591.48 : x
  2. Step 2: Convert to fraction form
    1,630,517.88/2,434,796.90 = 1,331,591.48/x
  3. Step 3: Cross multiply
    1,630,517.88x = 2,434,796.90 × 1,331,591.48
  4. Step 4: Simplify right side
    1,630,517.88x = 3,242,154,807,570.41
  5. Step 5: Solve for x
    x = 3,242,154,807,570.41/1,630,517.88
  6. Step 6: Final answer
    x = 1,988,420.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.