Finding the Fourth Proportional to 3,967,410.12, 5,475,624.58 and 2,419,569.96
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Solution
The fourth proportional to 3,967,410.12, 5,475,624.58 and 2,419,569.96 is: 3,339,371.62
Step by Step Solution
- Step 1: Write the proportion equation
3,967,410.12 : 5,475,624.58 = 2,419,569.96 : x - Step 2: Convert to fraction form
3,967,410.12/5,475,624.58 = 2,419,569.96/x - Step 3: Cross multiply
3,967,410.12x = 5,475,624.58 × 2,419,569.96 - Step 4: Simplify right side
3,967,410.12x = 13,248,656,746,005.62 - Step 5: Solve for x
x = 13,248,656,746,005.62/3,967,410.12 - Step 6: Final answer
x = 3,339,371.62
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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.