Home / 1,705,236.21-2,352,667.10-1,215,282.90

Finding the Fourth Proportional to 1,705,236.21, 2,352,667.10 and 1,215,282.90

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Solution

The fourth proportional to 1,705,236.21, 2,352,667.10 and 1,215,282.90 is: 1,676,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,236.21 : 2,352,667.10 = 1,215,282.90 : x
  2. Step 2: Convert to fraction form
    1,705,236.21/2,352,667.10 = 1,215,282.90/x
  3. Step 3: Cross multiply
    1,705,236.21x = 2,352,667.10 × 1,215,282.90
  4. Step 4: Simplify right side
    1,705,236.21x = 2,859,156,096,022.59
  5. Step 5: Solve for x
    x = 2,859,156,096,022.59/1,705,236.21
  6. Step 6: Final answer
    x = 1,676,692.11

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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.