Home / 2,687,511.35-3,709,576.13-1,828,569.85

Finding the Fourth Proportional to 2,687,511.35, 3,709,576.13 and 1,828,569.85

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Solution

The fourth proportional to 2,687,511.35, 3,709,576.13 and 1,828,569.85 is: 2,523,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,511.35 : 3,709,576.13 = 1,828,569.85 : x
  2. Step 2: Convert to fraction form
    2,687,511.35/3,709,576.13 = 1,828,569.85/x
  3. Step 3: Cross multiply
    2,687,511.35x = 3,709,576.13 × 1,828,569.85
  4. Step 4: Simplify right side
    2,687,511.35x = 6,783,219,049,180.89
  5. Step 5: Solve for x
    x = 6,783,219,049,180.89/2,687,511.35
  6. Step 6: Final answer
    x = 2,523,977.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.