Home / 2,986,302.20-4,120,978.31-1,763,001.77

Finding the Fourth Proportional to 2,986,302.20, 4,120,978.31 and 1,763,001.77

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Solution

The fourth proportional to 2,986,302.20, 4,120,978.31 and 1,763,001.77 is: 2,432,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,302.20 : 4,120,978.31 = 1,763,001.77 : x
  2. Step 2: Convert to fraction form
    2,986,302.20/4,120,978.31 = 1,763,001.77/x
  3. Step 3: Cross multiply
    2,986,302.20x = 4,120,978.31 × 1,763,001.77
  4. Step 4: Simplify right side
    2,986,302.20x = 7,265,292,055,033.47
  5. Step 5: Solve for x
    x = 7,265,292,055,033.47/2,986,302.20
  6. Step 6: Final answer
    x = 2,432,872.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.