Home / 5,230,781.30-7,846,026.90-1,392,636.65

Finding the Fourth Proportional to 5,230,781.30, 7,846,026.90 and 1,392,636.65

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Solution

The fourth proportional to 5,230,781.30, 7,846,026.90 and 1,392,636.65 is: 2,088,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230,781.30 : 7,846,026.90 = 1,392,636.65 : x
  2. Step 2: Convert to fraction form
    5,230,781.30/7,846,026.90 = 1,392,636.65/x
  3. Step 3: Cross multiply
    5,230,781.30x = 7,846,026.90 × 1,392,636.65
  4. Step 4: Simplify right side
    5,230,781.30x = 10,926,664,578,595.75
  5. Step 5: Solve for x
    x = 10,926,664,578,595.75/5,230,781.30
  6. Step 6: Final answer
    x = 2,088,916.35

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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.