Home / 2,731,918.35-4,097,163.50-812,312.59

Finding the Fourth Proportional to 2,731,918.35, 4,097,163.50 and 812,312.59

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Solution

The fourth proportional to 2,731,918.35, 4,097,163.50 and 812,312.59 is: 1,218,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,918.35 : 4,097,163.50 = 812,312.59 : x
  2. Step 2: Convert to fraction form
    2,731,918.35/4,097,163.50 = 812,312.59/x
  3. Step 3: Cross multiply
    2,731,918.35x = 4,097,163.50 × 812,312.59
  4. Step 4: Simplify right side
    2,731,918.35x = 3,328,177,471,821.87
  5. Step 5: Solve for x
    x = 3,328,177,471,821.87/2,731,918.35
  6. Step 6: Final answer
    x = 1,218,256.57

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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.