Home / 2,819,142.40-3,890,419.20-1,529,983.04

Finding the Fourth Proportional to 2,819,142.40, 3,890,419.20 and 1,529,983.04

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Solution

The fourth proportional to 2,819,142.40, 3,890,419.20 and 1,529,983.04 is: 2,111,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,142.40 : 3,890,419.20 = 1,529,983.04 : x
  2. Step 2: Convert to fraction form
    2,819,142.40/3,890,419.20 = 1,529,983.04/x
  3. Step 3: Cross multiply
    2,819,142.40x = 3,890,419.20 × 1,529,983.04
  4. Step 4: Simplify right side
    2,819,142.40x = 5,952,275,394,490.37
  5. Step 5: Solve for x
    x = 5,952,275,394,490.37/2,819,142.40
  6. Step 6: Final answer
    x = 2,111,378.05

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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.