Home / 5,191,301.20-7,783,265.40-1,995,192.40

Finding the Fourth Proportional to 5,191,301.20, 7,783,265.40 and 1,995,192.40

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Solution

The fourth proportional to 5,191,301.20, 7,783,265.40 and 1,995,192.40 is: 2,991,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,301.20 : 7,783,265.40 = 1,995,192.40 : x
  2. Step 2: Convert to fraction form
    5,191,301.20/7,783,265.40 = 1,995,192.40/x
  3. Step 3: Cross multiply
    5,191,301.20x = 7,783,265.40 × 1,995,192.40
  4. Step 4: Simplify right side
    5,191,301.20x = 15,529,111,973,262.96
  5. Step 5: Solve for x
    x = 15,529,111,973,262.96/5,191,301.20
  6. Step 6: Final answer
    x = 2,991,371.79

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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.