Home / 3,500,977.60-5,240,968.80-2,080,302.40

Finding the Fourth Proportional to 3,500,977.60, 5,240,968.80 and 2,080,302.40

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Solution

The fourth proportional to 3,500,977.60, 5,240,968.80 and 2,080,302.40 is: 3,114,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,977.60 : 5,240,968.80 = 2,080,302.40 : x
  2. Step 2: Convert to fraction form
    3,500,977.60/5,240,968.80 = 2,080,302.40/x
  3. Step 3: Cross multiply
    3,500,977.60x = 5,240,968.80 × 2,080,302.40
  4. Step 4: Simplify right side
    3,500,977.60x = 10,902,799,972,965.12
  5. Step 5: Solve for x
    x = 10,902,799,972,965.12/3,500,977.60
  6. Step 6: Final answer
    x = 3,114,215.86

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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.