Home / 1,871,998.80-2,807,998.20-1,798,515.60

Finding the Fourth Proportional to 1,871,998.80, 2,807,998.20 and 1,798,515.60

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Solution

The fourth proportional to 1,871,998.80, 2,807,998.20 and 1,798,515.60 is: 2,697,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,998.80 : 2,807,998.20 = 1,798,515.60 : x
  2. Step 2: Convert to fraction form
    1,871,998.80/2,807,998.20 = 1,798,515.60/x
  3. Step 3: Cross multiply
    1,871,998.80x = 2,807,998.20 × 1,798,515.60
  4. Step 4: Simplify right side
    1,871,998.80x = 5,050,228,567,471.92
  5. Step 5: Solve for x
    x = 5,050,228,567,471.92/1,871,998.80
  6. Step 6: Final answer
    x = 2,697,773.40

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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.