Home / 2,631,772.38-3,947,068.09-1,210,462.94

Finding the Fourth Proportional to 2,631,772.38, 3,947,068.09 and 1,210,462.94

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Solution

The fourth proportional to 2,631,772.38, 3,947,068.09 and 1,210,462.94 is: 1,815,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,772.38 : 3,947,068.09 = 1,210,462.94 : x
  2. Step 2: Convert to fraction form
    2,631,772.38/3,947,068.09 = 1,210,462.94/x
  3. Step 3: Cross multiply
    2,631,772.38x = 3,947,068.09 × 1,210,462.94
  4. Step 4: Simplify right side
    2,631,772.38x = 4,777,779,644,601.58
  5. Step 5: Solve for x
    x = 4,777,779,644,601.58/2,631,772.38
  6. Step 6: Final answer
    x = 1,815,422.82

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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.