Home / 5,183,121.51-7,774,685.71-2,149,672.89

Finding the Fourth Proportional to 5,183,121.51, 7,774,685.71 and 2,149,672.89

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Solution

The fourth proportional to 5,183,121.51, 7,774,685.71 and 2,149,672.89 is: 3,224,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,121.51 : 7,774,685.71 = 2,149,672.89 : x
  2. Step 2: Convert to fraction form
    5,183,121.51/7,774,685.71 = 2,149,672.89/x
  3. Step 3: Cross multiply
    5,183,121.51x = 7,774,685.71 × 2,149,672.89
  4. Step 4: Simplify right side
    5,183,121.51x = 16,713,031,060,183.97
  5. Step 5: Solve for x
    x = 16,713,031,060,183.97/5,183,121.51
  6. Step 6: Final answer
    x = 3,224,510.76

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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.