Home / 2,107,812.38-3,161,806.04-611,904.38

Finding the Fourth Proportional to 2,107,812.38, 3,161,806.04 and 611,904.38

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Solution

The fourth proportional to 2,107,812.38, 3,161,806.04 and 611,904.38 is: 917,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,812.38 : 3,161,806.04 = 611,904.38 : x
  2. Step 2: Convert to fraction form
    2,107,812.38/3,161,806.04 = 611,904.38/x
  3. Step 3: Cross multiply
    2,107,812.38x = 3,161,806.04 × 611,904.38
  4. Step 4: Simplify right side
    2,107,812.38x = 1,934,722,950,307.19
  5. Step 5: Solve for x
    x = 1,934,722,950,307.19/2,107,812.38
  6. Step 6: Final answer
    x = 917,881.96

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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.