Home / 2,187,343.40-3,017,692-1,370,124.38

Finding the Fourth Proportional to 2,187,343.40, 3,017,692 and 1,370,124.38

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Solution

The fourth proportional to 2,187,343.40, 3,017,692 and 1,370,124.38 is: 1,890,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,343.40 : 3,017,692 = 1,370,124.38 : x
  2. Step 2: Convert to fraction form
    2,187,343.40/3,017,692 = 1,370,124.38/x
  3. Step 3: Cross multiply
    2,187,343.40x = 3,017,692 × 1,370,124.38
  4. Step 4: Simplify right side
    2,187,343.40x = 4,134,613,380,530.96
  5. Step 5: Solve for x
    x = 4,134,613,380,530.96/2,187,343.40
  6. Step 6: Final answer
    x = 1,890,244.29

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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.