Home / 1,674,545.72-2,311,530.42-1,187,063.22

Finding the Fourth Proportional to 1,674,545.72, 2,311,530.42 and 1,187,063.22

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Solution

The fourth proportional to 1,674,545.72, 2,311,530.42 and 1,187,063.22 is: 1,638,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,545.72 : 2,311,530.42 = 1,187,063.22 : x
  2. Step 2: Convert to fraction form
    1,674,545.72/2,311,530.42 = 1,187,063.22/x
  3. Step 3: Cross multiply
    1,674,545.72x = 2,311,530.42 × 1,187,063.22
  4. Step 4: Simplify right side
    1,674,545.72x = 2,743,932,743,493.15
  5. Step 5: Solve for x
    x = 2,743,932,743,493.15/1,674,545.72
  6. Step 6: Final answer
    x = 1,638,613.21

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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.