Home / 1,871,282.40-2,802,776.40-1,449,189.60

Finding the Fourth Proportional to 1,871,282.40, 2,802,776.40 and 1,449,189.60

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Solution

The fourth proportional to 1,871,282.40, 2,802,776.40 and 1,449,189.60 is: 2,170,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,282.40 : 2,802,776.40 = 1,449,189.60 : x
  2. Step 2: Convert to fraction form
    1,871,282.40/2,802,776.40 = 1,449,189.60/x
  3. Step 3: Cross multiply
    1,871,282.40x = 2,802,776.40 × 1,449,189.60
  4. Step 4: Simplify right side
    1,871,282.40x = 4,061,754,410,005.44
  5. Step 5: Solve for x
    x = 4,061,754,410,005.44/1,871,282.40
  6. Step 6: Final answer
    x = 2,170,572.66

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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.