Home / 1,871,424.40-2,802,989.40-1,449,331.60

Finding the Fourth Proportional to 1,871,424.40, 2,802,989.40 and 1,449,331.60

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Solution

The fourth proportional to 1,871,424.40, 2,802,989.40 and 1,449,331.60 is: 2,170,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,424.40 : 2,802,989.40 = 1,449,331.60 : x
  2. Step 2: Convert to fraction form
    1,871,424.40/2,802,989.40 = 1,449,331.60/x
  3. Step 3: Cross multiply
    1,871,424.40x = 2,802,989.40 × 1,449,331.60
  4. Step 4: Simplify right side
    1,871,424.40x = 4,062,461,111,885.04
  5. Step 5: Solve for x
    x = 4,062,461,111,885.04/1,871,424.40
  6. Step 6: Final answer
    x = 2,170,785.59

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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.