Home / 1,982,003.80-2,973,005.70-486,095.80

Finding the Fourth Proportional to 1,982,003.80, 2,973,005.70 and 486,095.80

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Solution

The fourth proportional to 1,982,003.80, 2,973,005.70 and 486,095.80 is: 729,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,003.80 : 2,973,005.70 = 486,095.80 : x
  2. Step 2: Convert to fraction form
    1,982,003.80/2,973,005.70 = 486,095.80/x
  3. Step 3: Cross multiply
    1,982,003.80x = 2,973,005.70 × 486,095.80
  4. Step 4: Simplify right side
    1,982,003.80x = 1,445,165,584,146.06
  5. Step 5: Solve for x
    x = 1,445,165,584,146.06/1,982,003.80
  6. Step 6: Final answer
    x = 729,143.70

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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.