Home / 1,862,729.20-2,571,019.02-1,138,187.04

Finding the Fourth Proportional to 1,862,729.20, 2,571,019.02 and 1,138,187.04

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Solution

The fourth proportional to 1,862,729.20, 2,571,019.02 and 1,138,187.04 is: 1,570,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,729.20 : 2,571,019.02 = 1,138,187.04 : x
  2. Step 2: Convert to fraction form
    1,862,729.20/2,571,019.02 = 1,138,187.04/x
  3. Step 3: Cross multiply
    1,862,729.20x = 2,571,019.02 × 1,138,187.04
  4. Step 4: Simplify right side
    1,862,729.20x = 2,926,300,528,157.50
  5. Step 5: Solve for x
    x = 2,926,300,528,157.50/1,862,729.20
  6. Step 6: Final answer
    x = 1,570,974.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.