Home / 2,078,733.80-3,115,476.30-1,011,477.80

Finding the Fourth Proportional to 2,078,733.80, 3,115,476.30 and 1,011,477.80

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Solution

The fourth proportional to 2,078,733.80, 3,115,476.30 and 1,011,477.80 is: 1,515,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,733.80 : 3,115,476.30 = 1,011,477.80 : x
  2. Step 2: Convert to fraction form
    2,078,733.80/3,115,476.30 = 1,011,477.80/x
  3. Step 3: Cross multiply
    2,078,733.80x = 3,115,476.30 × 1,011,477.80
  4. Step 4: Simplify right side
    2,078,733.80x = 3,151,235,113,876.14
  5. Step 5: Solve for x
    x = 3,151,235,113,876.14/2,078,733.80
  6. Step 6: Final answer
    x = 1,515,939.71

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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.