Home / 2,804,178.29-3,869,768.78-1,515,019.70

Finding the Fourth Proportional to 2,804,178.29, 3,869,768.78 and 1,515,019.70

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Solution

The fourth proportional to 2,804,178.29, 3,869,768.78 and 1,515,019.70 is: 2,090,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,178.29 : 3,869,768.78 = 1,515,019.70 : x
  2. Step 2: Convert to fraction form
    2,804,178.29/3,869,768.78 = 1,515,019.70/x
  3. Step 3: Cross multiply
    2,804,178.29x = 3,869,768.78 × 1,515,019.70
  4. Step 4: Simplify right side
    2,804,178.29x = 5,862,775,936,144.97
  5. Step 5: Solve for x
    x = 5,862,775,936,144.97/2,804,178.29
  6. Step 6: Final answer
    x = 2,090,728.67

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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.