Home / 1,930,871.49-2,896,449.39-510,918

Finding the Fourth Proportional to 1,930,871.49, 2,896,449.39 and 510,918

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Solution

The fourth proportional to 1,930,871.49, 2,896,449.39 and 510,918 is: 766,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,871.49 : 2,896,449.39 = 510,918 : x
  2. Step 2: Convert to fraction form
    1,930,871.49/2,896,449.39 = 510,918/x
  3. Step 3: Cross multiply
    1,930,871.49x = 2,896,449.39 × 510,918
  4. Step 4: Simplify right side
    1,930,871.49x = 1,479,848,129,440.02
  5. Step 5: Solve for x
    x = 1,479,848,129,440.02/1,930,871.49
  6. Step 6: Final answer
    x = 766,414.61

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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.