Home / 2,072,259.80-3,108,389.70-1,230,378.20

Finding the Fourth Proportional to 2,072,259.80, 3,108,389.70 and 1,230,378.20

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Solution

The fourth proportional to 2,072,259.80, 3,108,389.70 and 1,230,378.20 is: 1,845,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,259.80 : 3,108,389.70 = 1,230,378.20 : x
  2. Step 2: Convert to fraction form
    2,072,259.80/3,108,389.70 = 1,230,378.20/x
  3. Step 3: Cross multiply
    2,072,259.80x = 3,108,389.70 × 1,230,378.20
  4. Step 4: Simplify right side
    2,072,259.80x = 3,824,494,923,984.54
  5. Step 5: Solve for x
    x = 3,824,494,923,984.54/2,072,259.80
  6. Step 6: Final answer
    x = 1,845,567.30

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Similar ratio
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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.