Home / 5,398,720.40-8,091,859.80-2,201,747.60

Finding the Fourth Proportional to 5,398,720.40, 8,091,859.80 and 2,201,747.60

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Solution

The fourth proportional to 5,398,720.40, 8,091,859.80 and 2,201,747.60 is: 3,300,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,720.40 : 8,091,859.80 = 2,201,747.60 : x
  2. Step 2: Convert to fraction form
    5,398,720.40/8,091,859.80 = 2,201,747.60/x
  3. Step 3: Cross multiply
    5,398,720.40x = 8,091,859.80 × 2,201,747.60
  4. Step 4: Simplify right side
    5,398,720.40x = 17,816,232,894,186.48
  5. Step 5: Solve for x
    x = 17,816,232,894,186.48/5,398,720.40
  6. Step 6: Final answer
    x = 3,300,084.39

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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.