Home / 5,281,932.30-7,921,435.04-1,869,769.43

Finding the Fourth Proportional to 5,281,932.30, 7,921,435.04 and 1,869,769.43

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Solution

The fourth proportional to 5,281,932.30, 7,921,435.04 and 1,869,769.43 is: 2,804,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,932.30 : 7,921,435.04 = 1,869,769.43 : x
  2. Step 2: Convert to fraction form
    5,281,932.30/7,921,435.04 = 1,869,769.43/x
  3. Step 3: Cross multiply
    5,281,932.30x = 7,921,435.04 × 1,869,769.43
  4. Step 4: Simplify right side
    5,281,932.30x = 14,811,257,079,522.83
  5. Step 5: Solve for x
    x = 14,811,257,079,522.83/5,281,932.30
  6. Step 6: Final answer
    x = 2,804,136.11

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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.