Home / 2,642,974.50-3,646,995.39-1,555,006.80

Finding the Fourth Proportional to 2,642,974.50, 3,646,995.39 and 1,555,006.80

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Solution

The fourth proportional to 2,642,974.50, 3,646,995.39 and 1,555,006.80 is: 2,145,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,974.50 : 3,646,995.39 = 1,555,006.80 : x
  2. Step 2: Convert to fraction form
    2,642,974.50/3,646,995.39 = 1,555,006.80/x
  3. Step 3: Cross multiply
    2,642,974.50x = 3,646,995.39 × 1,555,006.80
  4. Step 4: Simplify right side
    2,642,974.50x = 5,671,102,631,018.65
  5. Step 5: Solve for x
    x = 5,671,102,631,018.65/2,642,974.50
  6. Step 6: Final answer
    x = 2,145,727.34

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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.