Home / 2,078,115.70-3,116,943.15-1,703,485.30

Finding the Fourth Proportional to 2,078,115.70, 3,116,943.15 and 1,703,485.30

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Solution

The fourth proportional to 2,078,115.70, 3,116,943.15 and 1,703,485.30 is: 2,555,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,115.70 : 3,116,943.15 = 1,703,485.30 : x
  2. Step 2: Convert to fraction form
    2,078,115.70/3,116,943.15 = 1,703,485.30/x
  3. Step 3: Cross multiply
    2,078,115.70x = 3,116,943.15 × 1,703,485.30
  4. Step 4: Simplify right side
    2,078,115.70x = 5,309,666,836,960.70
  5. Step 5: Solve for x
    x = 5,309,666,836,960.70/2,078,115.70
  6. Step 6: Final answer
    x = 2,555,039.09

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Double scale
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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.