Home / 2,721,905.40-4,082,858.10-926,815.80

Finding the Fourth Proportional to 2,721,905.40, 4,082,858.10 and 926,815.80

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Solution

The fourth proportional to 2,721,905.40, 4,082,858.10 and 926,815.80 is: 1,390,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,905.40 : 4,082,858.10 = 926,815.80 : x
  2. Step 2: Convert to fraction form
    2,721,905.40/4,082,858.10 = 926,815.80/x
  3. Step 3: Cross multiply
    2,721,905.40x = 4,082,858.10 × 926,815.80
  4. Step 4: Simplify right side
    2,721,905.40x = 3,784,057,396,237.98
  5. Step 5: Solve for x
    x = 3,784,057,396,237.98/2,721,905.40
  6. Step 6: Final answer
    x = 1,390,223.70

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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.