Finding the Fourth Proportional to 3,886,569.17, 5,363,624.36 and 2,144,439.14
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Solution
The fourth proportional to 3,886,569.17, 5,363,624.36 and 2,144,439.14 is: 2,959,413.68
Step by Step Solution
- Step 1: Write the proportion equation
3,886,569.17 : 5,363,624.36 = 2,144,439.14 : x - Step 2: Convert to fraction form
3,886,569.17/5,363,624.36 = 2,144,439.14/x - Step 3: Cross multiply
3,886,569.17x = 5,363,624.36 × 2,144,439.14 - Step 4: Simplify right side
3,886,569.17x = 11,501,965,972,301.13 - Step 5: Solve for x
x = 11,501,965,972,301.13/3,886,569.17 - Step 6: Final answer
x = 2,959,413.68
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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.