Finding the Fourth Proportional to 3,386,849.36, 5,081,159.40 and 1,965,539.12
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Solution
The fourth proportional to 3,386,849.36, 5,081,159.40 and 1,965,539.12 is: 2,948,822.49
Step by Step Solution
- Step 1: Write the proportion equation
3,386,849.36 : 5,081,159.40 = 1,965,539.12 : x - Step 2: Convert to fraction form
3,386,849.36/5,081,159.40 = 1,965,539.12/x - Step 3: Cross multiply
3,386,849.36x = 5,081,159.40 × 1,965,539.12 - Step 4: Simplify right side
3,386,849.36x = 9,987,217,575,655.73 - Step 5: Solve for x
x = 9,987,217,575,655.73/3,386,849.36 - Step 6: Final answer
x = 2,948,822.49
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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.