Home / 2,107,810.76-3,161,803.55-611,902.76

Finding the Fourth Proportional to 2,107,810.76, 3,161,803.55 and 611,902.76

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Solution

The fourth proportional to 2,107,810.76, 3,161,803.55 and 611,902.76 is: 917,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,810.76 : 3,161,803.55 = 611,902.76 : x
  2. Step 2: Convert to fraction form
    2,107,810.76/3,161,803.55 = 611,902.76/x
  3. Step 3: Cross multiply
    2,107,810.76x = 3,161,803.55 × 611,902.76
  4. Step 4: Simplify right side
    2,107,810.76x = 1,934,716,299,954.27
  5. Step 5: Solve for x
    x = 1,934,716,299,954.27/2,107,810.76
  6. Step 6: Final answer
    x = 917,879.51

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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.