Home / 2,955,486.24-4,078,489.44-1,666,315.36

Finding the Fourth Proportional to 2,955,486.24, 4,078,489.44 and 1,666,315.36

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Solution

The fourth proportional to 2,955,486.24, 4,078,489.44 and 1,666,315.36 is: 2,299,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955,486.24 : 4,078,489.44 = 1,666,315.36 : x
  2. Step 2: Convert to fraction form
    2,955,486.24/4,078,489.44 = 1,666,315.36/x
  3. Step 3: Cross multiply
    2,955,486.24x = 4,078,489.44 × 1,666,315.36
  4. Step 4: Simplify right side
    2,955,486.24x = 6,796,049,599,469.80
  5. Step 5: Solve for x
    x = 6,796,049,599,469.80/2,955,486.24
  6. Step 6: Final answer
    x = 2,299,469.21

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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.