Home / 2,763,920.96-4,145,681.76-871,204.16

Finding the Fourth Proportional to 2,763,920.96, 4,145,681.76 and 871,204.16

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Solution

The fourth proportional to 2,763,920.96, 4,145,681.76 and 871,204.16 is: 1,306,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,920.96 : 4,145,681.76 = 871,204.16 : x
  2. Step 2: Convert to fraction form
    2,763,920.96/4,145,681.76 = 871,204.16/x
  3. Step 3: Cross multiply
    2,763,920.96x = 4,145,681.76 × 871,204.16
  4. Step 4: Simplify right side
    2,763,920.96x = 3,611,735,195,348.12
  5. Step 5: Solve for x
    x = 3,611,735,195,348.12/2,763,920.96
  6. Step 6: Final answer
    x = 1,306,743.30

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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.