Home / 1,890,630.28-2,609,100.89-1,031,190.55

Finding the Fourth Proportional to 1,890,630.28, 2,609,100.89 and 1,031,190.55

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Solution

The fourth proportional to 1,890,630.28, 2,609,100.89 and 1,031,190.55 is: 1,423,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,630.28 : 2,609,100.89 = 1,031,190.55 : x
  2. Step 2: Convert to fraction form
    1,890,630.28/2,609,100.89 = 1,031,190.55/x
  3. Step 3: Cross multiply
    1,890,630.28x = 2,609,100.89 × 1,031,190.55
  4. Step 4: Simplify right side
    1,890,630.28x = 2,690,480,173,952.85
  5. Step 5: Solve for x
    x = 2,690,480,173,952.85/1,890,630.28
  6. Step 6: Final answer
    x = 1,423,059.92

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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.