Home / 2,431,145.40-3,650,001.30-1,421,302.20

Finding the Fourth Proportional to 2,431,145.40, 3,650,001.30 and 1,421,302.20

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Solution

The fourth proportional to 2,431,145.40, 3,650,001.30 and 1,421,302.20 is: 2,133,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,145.40 : 3,650,001.30 = 1,421,302.20 : x
  2. Step 2: Convert to fraction form
    2,431,145.40/3,650,001.30 = 1,421,302.20/x
  3. Step 3: Cross multiply
    2,431,145.40x = 3,650,001.30 × 1,421,302.20
  4. Step 4: Simplify right side
    2,431,145.40x = 5,187,754,877,692.86
  5. Step 5: Solve for x
    x = 5,187,754,877,692.86/2,431,145.40
  6. Step 6: Final answer
    x = 2,133,872.73

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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.