Home / 5,180,553.60-7,777,828.80-3,290,985.60

Finding the Fourth Proportional to 5,180,553.60, 7,777,828.80 and 3,290,985.60

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Solution

The fourth proportional to 5,180,553.60, 7,777,828.80 and 3,290,985.60 is: 4,940,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,553.60 : 7,777,828.80 = 3,290,985.60 : x
  2. Step 2: Convert to fraction form
    5,180,553.60/7,777,828.80 = 3,290,985.60/x
  3. Step 3: Cross multiply
    5,180,553.60x = 7,777,828.80 × 3,290,985.60
  4. Step 4: Simplify right side
    5,180,553.60x = 25,596,722,580,065.28
  5. Step 5: Solve for x
    x = 25,596,722,580,065.28/5,180,553.60
  6. Step 6: Final answer
    x = 4,940,924.19

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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.