Home / 2,679,862.70-4,018,930.19-882,318.20

Finding the Fourth Proportional to 2,679,862.70, 4,018,930.19 and 882,318.20

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Solution

The fourth proportional to 2,679,862.70, 4,018,930.19 and 882,318.20 is: 1,323,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,862.70 : 4,018,930.19 = 882,318.20 : x
  2. Step 2: Convert to fraction form
    2,679,862.70/4,018,930.19 = 882,318.20/x
  3. Step 3: Cross multiply
    2,679,862.70x = 4,018,930.19 × 882,318.20
  4. Step 4: Simplify right side
    2,679,862.70x = 3,545,975,226,660.22
  5. Step 5: Solve for x
    x = 3,545,975,226,660.22/2,679,862.70
  6. Step 6: Final answer
    x = 1,323,192.87

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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.