Home / 2,208,058.70-3,312,087-691,860.80

Finding the Fourth Proportional to 2,208,058.70, 3,312,087 and 691,860.80

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Solution

The fourth proportional to 2,208,058.70, 3,312,087 and 691,860.80 is: 1,037,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,058.70 : 3,312,087 = 691,860.80 : x
  2. Step 2: Convert to fraction form
    2,208,058.70/3,312,087 = 691,860.80/x
  3. Step 3: Cross multiply
    2,208,058.70x = 3,312,087 × 691,860.80
  4. Step 4: Simplify right side
    2,208,058.70x = 2,291,503,144,929.17
  5. Step 5: Solve for x
    x = 2,291,503,144,929.17/2,208,058.70
  6. Step 6: Final answer
    x = 1,037,790.87

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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.