Home / 3,489,969.60-5,234,954.40-3,405,988.80

Finding the Fourth Proportional to 3,489,969.60, 5,234,954.40 and 3,405,988.80

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Solution

The fourth proportional to 3,489,969.60, 5,234,954.40 and 3,405,988.80 is: 5,108,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,969.60 : 5,234,954.40 = 3,405,988.80 : x
  2. Step 2: Convert to fraction form
    3,489,969.60/5,234,954.40 = 3,405,988.80/x
  3. Step 3: Cross multiply
    3,489,969.60x = 5,234,954.40 × 3,405,988.80
  4. Step 4: Simplify right side
    3,489,969.60x = 17,830,196,054,910.72
  5. Step 5: Solve for x
    x = 17,830,196,054,910.72/3,489,969.60
  6. Step 6: Final answer
    x = 5,108,983.20

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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.