Home / 2,148,742.49-2,965,685.84-1,231,586.34

Finding the Fourth Proportional to 2,148,742.49, 2,965,685.84 and 1,231,586.34

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Solution

The fourth proportional to 2,148,742.49, 2,965,685.84 and 1,231,586.34 is: 1,699,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,742.49 : 2,965,685.84 = 1,231,586.34 : x
  2. Step 2: Convert to fraction form
    2,148,742.49/2,965,685.84 = 1,231,586.34/x
  3. Step 3: Cross multiply
    2,148,742.49x = 2,965,685.84 × 1,231,586.34
  4. Step 4: Simplify right side
    2,148,742.49x = 3,652,498,156,614.62
  5. Step 5: Solve for x
    x = 3,652,498,156,614.62/2,148,742.49
  6. Step 6: Final answer
    x = 1,699,830.57

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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.