Home / 1,871,999.10-2,807,998.65-925,515.90

Finding the Fourth Proportional to 1,871,999.10, 2,807,998.65 and 925,515.90

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Solution

The fourth proportional to 1,871,999.10, 2,807,998.65 and 925,515.90 is: 1,388,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,999.10 : 2,807,998.65 = 925,515.90 : x
  2. Step 2: Convert to fraction form
    1,871,999.10/2,807,998.65 = 925,515.90/x
  3. Step 3: Cross multiply
    1,871,999.10x = 2,807,998.65 × 925,515.90
  4. Step 4: Simplify right side
    1,871,999.10x = 2,598,847,397,753.54
  5. Step 5: Solve for x
    x = 2,598,847,397,753.54/1,871,999.10
  6. Step 6: Final answer
    x = 1,388,273.85

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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.