Home / 2,069,287.84-2,855,865.80-1,253,467.56

Finding the Fourth Proportional to 2,069,287.84, 2,855,865.80 and 1,253,467.56

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Solution

The fourth proportional to 2,069,287.84, 2,855,865.80 and 1,253,467.56 is: 1,729,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,287.84 : 2,855,865.80 = 1,253,467.56 : x
  2. Step 2: Convert to fraction form
    2,069,287.84/2,855,865.80 = 1,253,467.56/x
  3. Step 3: Cross multiply
    2,069,287.84x = 2,855,865.80 × 1,253,467.56
  4. Step 4: Simplify right side
    2,069,287.84x = 3,579,735,136,013.45
  5. Step 5: Solve for x
    x = 3,579,735,136,013.45/2,069,287.84
  6. Step 6: Final answer
    x = 1,729,935.81

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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.