Home / 3,434,136.30-4,739,126.40-2,145,723.84

Finding the Fourth Proportional to 3,434,136.30, 4,739,126.40 and 2,145,723.84

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Solution

The fourth proportional to 3,434,136.30, 4,739,126.40 and 2,145,723.84 is: 2,961,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434,136.30 : 4,739,126.40 = 2,145,723.84 : x
  2. Step 2: Convert to fraction form
    3,434,136.30/4,739,126.40 = 2,145,723.84/x
  3. Step 3: Cross multiply
    3,434,136.30x = 4,739,126.40 × 2,145,723.84
  4. Step 4: Simplify right side
    3,434,136.30x = 10,168,856,497,253.38
  5. Step 5: Solve for x
    x = 10,168,856,497,253.38/3,434,136.30
  6. Step 6: Final answer
    x = 2,961,110.34

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1.5x scale

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.