Home / 2,731,913.56-4,097,156.78-812,307.93

Finding the Fourth Proportional to 2,731,913.56, 4,097,156.78 and 812,307.93

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Solution

The fourth proportional to 2,731,913.56, 4,097,156.78 and 812,307.93 is: 1,218,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,913.56 : 4,097,156.78 = 812,307.93 : x
  2. Step 2: Convert to fraction form
    2,731,913.56/4,097,156.78 = 812,307.93/x
  3. Step 3: Cross multiply
    2,731,913.56x = 4,097,156.78 × 812,307.93
  4. Step 4: Simplify right side
    2,731,913.56x = 3,328,152,929,513.70
  5. Step 5: Solve for x
    x = 3,328,152,929,513.70/2,731,913.56
  6. Step 6: Final answer
    x = 1,218,249.72

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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.