Home / 6,387,055.20-8,813,817.36-3,486,568.32

Finding the Fourth Proportional to 6,387,055.20, 8,813,817.36 and 3,486,568.32

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Solution

The fourth proportional to 6,387,055.20, 8,813,817.36 and 3,486,568.32 is: 4,811,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,055.20 : 8,813,817.36 = 3,486,568.32 : x
  2. Step 2: Convert to fraction form
    6,387,055.20/8,813,817.36 = 3,486,568.32/x
  3. Step 3: Cross multiply
    6,387,055.20x = 8,813,817.36 × 3,486,568.32
  4. Step 4: Simplify right side
    6,387,055.20x = 30,729,976,385,642.03
  5. Step 5: Solve for x
    x = 30,729,976,385,642.03/6,387,055.20
  6. Step 6: Final answer
    x = 4,811,290.25

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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.