Home / 1,761,441.80-2,642,249.10-921,633.80

Finding the Fourth Proportional to 1,761,441.80, 2,642,249.10 and 921,633.80

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Solution

The fourth proportional to 1,761,441.80, 2,642,249.10 and 921,633.80 is: 1,382,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,441.80 : 2,642,249.10 = 921,633.80 : x
  2. Step 2: Convert to fraction form
    1,761,441.80/2,642,249.10 = 921,633.80/x
  3. Step 3: Cross multiply
    1,761,441.80x = 2,642,249.10 × 921,633.80
  4. Step 4: Simplify right side
    1,761,441.80x = 2,435,186,078,579.58
  5. Step 5: Solve for x
    x = 2,435,186,078,579.58/1,761,441.80
  6. Step 6: Final answer
    x = 1,382,495.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.