Home / 1,787,912.24-2,678,918.92-1,030,389.96

Finding the Fourth Proportional to 1,787,912.24, 2,678,918.92 and 1,030,389.96

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Solution

The fourth proportional to 1,787,912.24, 2,678,918.92 and 1,030,389.96 is: 1,543,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,912.24 : 2,678,918.92 = 1,030,389.96 : x
  2. Step 2: Convert to fraction form
    1,787,912.24/2,678,918.92 = 1,030,389.96/x
  3. Step 3: Cross multiply
    1,787,912.24x = 2,678,918.92 × 1,030,389.96
  4. Step 4: Simplify right side
    1,787,912.24x = 2,760,331,158,822.04
  5. Step 5: Solve for x
    x = 2,760,331,158,822.04/1,787,912.24
  6. Step 6: Final answer
    x = 1,543,885.15

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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.