Home / 3,405,781.80-5,103,143.10-2,141,346.60

Finding the Fourth Proportional to 3,405,781.80, 5,103,143.10 and 2,141,346.60

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Solution

The fourth proportional to 3,405,781.80, 5,103,143.10 and 2,141,346.60 is: 3,208,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,781.80 : 5,103,143.10 = 2,141,346.60 : x
  2. Step 2: Convert to fraction form
    3,405,781.80/5,103,143.10 = 2,141,346.60/x
  3. Step 3: Cross multiply
    3,405,781.80x = 5,103,143.10 × 2,141,346.60
  4. Step 4: Simplify right side
    3,405,781.80x = 10,927,598,126,498.46
  5. Step 5: Solve for x
    x = 10,927,598,126,498.46/3,405,781.80
  6. Step 6: Final answer
    x = 3,208,543.23

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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.