Home / 2,114,031.20-2,917,348.26-1,147,136.90

Finding the Fourth Proportional to 2,114,031.20, 2,917,348.26 and 1,147,136.90

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Solution

The fourth proportional to 2,114,031.20, 2,917,348.26 and 1,147,136.90 is: 1,583,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,031.20 : 2,917,348.26 = 1,147,136.90 : x
  2. Step 2: Convert to fraction form
    2,114,031.20/2,917,348.26 = 1,147,136.90/x
  3. Step 3: Cross multiply
    2,114,031.20x = 2,917,348.26 × 1,147,136.90
  4. Step 4: Simplify right side
    2,114,031.20x = 3,346,597,839,196.79
  5. Step 5: Solve for x
    x = 3,346,597,839,196.79/2,114,031.20
  6. Step 6: Final answer
    x = 1,583,040.89

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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.