Home / 2,978,040.68-4,109,999.83-1,754,727.65

Finding the Fourth Proportional to 2,978,040.68, 4,109,999.83 and 1,754,727.65

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Solution

The fourth proportional to 2,978,040.68, 4,109,999.83 and 1,754,727.65 is: 2,421,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,040.68 : 4,109,999.83 = 1,754,727.65 : x
  2. Step 2: Convert to fraction form
    2,978,040.68/4,109,999.83 = 1,754,727.65/x
  3. Step 3: Cross multiply
    2,978,040.68x = 4,109,999.83 × 1,754,727.65
  4. Step 4: Simplify right side
    2,978,040.68x = 7,211,930,333,671.98
  5. Step 5: Solve for x
    x = 7,211,930,333,671.98/2,978,040.68
  6. Step 6: Final answer
    x = 2,421,703.10

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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.