Home / 6,862,928.40-10,291,440.15-3,449,896.20

Finding the Fourth Proportional to 6,862,928.40, 10,291,440.15 and 3,449,896.20

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Solution

The fourth proportional to 6,862,928.40, 10,291,440.15 and 3,449,896.20 is: 5,173,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862,928.40 : 10,291,440.15 = 3,449,896.20 : x
  2. Step 2: Convert to fraction form
    6,862,928.40/10,291,440.15 = 3,449,896.20/x
  3. Step 3: Cross multiply
    6,862,928.40x = 10,291,440.15 × 3,449,896.20
  4. Step 4: Simplify right side
    6,862,928.40x = 35,504,400,266,012.43
  5. Step 5: Solve for x
    x = 35,504,400,266,012.43/6,862,928.40
  6. Step 6: Final answer
    x = 5,173,360.15

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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.