Home / 1,630,515.88-2,434,793.90-1,331,589.46

Finding the Fourth Proportional to 1,630,515.88, 2,434,793.90 and 1,331,589.46

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Solution

The fourth proportional to 1,630,515.88, 2,434,793.90 and 1,331,589.46 is: 1,988,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,515.88 : 2,434,793.90 = 1,331,589.46 : x
  2. Step 2: Convert to fraction form
    1,630,515.88/2,434,793.90 = 1,331,589.46/x
  3. Step 3: Cross multiply
    1,630,515.88x = 2,434,793.90 × 1,331,589.46
  4. Step 4: Simplify right side
    1,630,515.88x = 3,242,145,894,512.29
  5. Step 5: Solve for x
    x = 3,242,145,894,512.29/1,630,515.88
  6. Step 6: Final answer
    x = 1,988,417.25

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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.