Home / 2,031,428.18-2,801,436.90-1,215,502.22

Finding the Fourth Proportional to 2,031,428.18, 2,801,436.90 and 1,215,502.22

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Solution

The fourth proportional to 2,031,428.18, 2,801,436.90 and 1,215,502.22 is: 1,676,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031,428.18 : 2,801,436.90 = 1,215,502.22 : x
  2. Step 2: Convert to fraction form
    2,031,428.18/2,801,436.90 = 1,215,502.22/x
  3. Step 3: Cross multiply
    2,031,428.18x = 2,801,436.90 × 1,215,502.22
  4. Step 4: Simplify right side
    2,031,428.18x = 3,405,152,771,139.92
  5. Step 5: Solve for x
    x = 3,405,152,771,139.92/2,031,428.18
  6. Step 6: Final answer
    x = 1,676,235.86

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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.