Home / 2,097,708.80-3,146,563.20-768,531.20

Finding the Fourth Proportional to 2,097,708.80, 3,146,563.20 and 768,531.20

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Solution

The fourth proportional to 2,097,708.80, 3,146,563.20 and 768,531.20 is: 1,152,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,708.80 : 3,146,563.20 = 768,531.20 : x
  2. Step 2: Convert to fraction form
    2,097,708.80/3,146,563.20 = 768,531.20/x
  3. Step 3: Cross multiply
    2,097,708.80x = 3,146,563.20 × 768,531.20
  4. Step 4: Simplify right side
    2,097,708.80x = 2,418,231,991,971.84
  5. Step 5: Solve for x
    x = 2,418,231,991,971.84/2,097,708.80
  6. Step 6: Final answer
    x = 1,152,796.80

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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.