Home / 5,389,820.80-8,084,731.20-4,893,809.20

Finding the Fourth Proportional to 5,389,820.80, 8,084,731.20 and 4,893,809.20

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Solution

The fourth proportional to 5,389,820.80, 8,084,731.20 and 4,893,809.20 is: 7,340,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,820.80 : 8,084,731.20 = 4,893,809.20 : x
  2. Step 2: Convert to fraction form
    5,389,820.80/8,084,731.20 = 4,893,809.20/x
  3. Step 3: Cross multiply
    5,389,820.80x = 8,084,731.20 × 4,893,809.20
  4. Step 4: Simplify right side
    5,389,820.80x = 39,565,131,926,087.04
  5. Step 5: Solve for x
    x = 39,565,131,926,087.04/5,389,820.80
  6. Step 6: Final answer
    x = 7,340,713.80

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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.