Home / 2,068,022.80-3,102,131.40-648,125.20

Finding the Fourth Proportional to 2,068,022.80, 3,102,131.40 and 648,125.20

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Solution

The fourth proportional to 2,068,022.80, 3,102,131.40 and 648,125.20 is: 972,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,022.80 : 3,102,131.40 = 648,125.20 : x
  2. Step 2: Convert to fraction form
    2,068,022.80/3,102,131.40 = 648,125.20/x
  3. Step 3: Cross multiply
    2,068,022.80x = 3,102,131.40 × 648,125.20
  4. Step 4: Simplify right side
    2,068,022.80x = 2,010,569,534,051.28
  5. Step 5: Solve for x
    x = 2,010,569,534,051.28/2,068,022.80
  6. Step 6: Final answer
    x = 972,218.26

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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.