Home / 2,112,031.80-3,167,270.10-692,134.20

Finding the Fourth Proportional to 2,112,031.80, 3,167,270.10 and 692,134.20

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Solution

The fourth proportional to 2,112,031.80, 3,167,270.10 and 692,134.20 is: 1,037,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,031.80 : 3,167,270.10 = 692,134.20 : x
  2. Step 2: Convert to fraction form
    2,112,031.80/3,167,270.10 = 692,134.20/x
  3. Step 3: Cross multiply
    2,112,031.80x = 3,167,270.10 × 692,134.20
  4. Step 4: Simplify right side
    2,112,031.80x = 2,192,175,956,847.42
  5. Step 5: Solve for x
    x = 2,192,175,956,847.42/2,112,031.80
  6. Step 6: Final answer
    x = 1,037,946.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.