Home / 2,021,158.30-3,031,737.45-1,212,843.10

Finding the Fourth Proportional to 2,021,158.30, 3,031,737.45 and 1,212,843.10

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Solution

The fourth proportional to 2,021,158.30, 3,031,737.45 and 1,212,843.10 is: 1,819,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,158.30 : 3,031,737.45 = 1,212,843.10 : x
  2. Step 2: Convert to fraction form
    2,021,158.30/3,031,737.45 = 1,212,843.10/x
  3. Step 3: Cross multiply
    2,021,158.30x = 3,031,737.45 × 1,212,843.10
  4. Step 4: Simplify right side
    2,021,158.30x = 3,677,021,847,244.10
  5. Step 5: Solve for x
    x = 3,677,021,847,244.10/2,021,158.30
  6. Step 6: Final answer
    x = 1,819,264.65

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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.