Finding the Fourth Proportional to 2,177,257.14, 3,004,717.32 and 1,210,403.52
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Solution
The fourth proportional to 2,177,257.14, 3,004,717.32 and 1,210,403.52 is: 1,670,413.82
Step by Step Solution
- Step 1: Write the proportion equation
2,177,257.14 : 3,004,717.32 = 1,210,403.52 : x - Step 2: Convert to fraction form
2,177,257.14/3,004,717.32 = 1,210,403.52/x - Step 3: Cross multiply
2,177,257.14x = 3,004,717.32 × 1,210,403.52 - Step 4: Simplify right side
2,177,257.14x = 3,636,920,420,732.97 - Step 5: Solve for x
x = 3,636,920,420,732.97/2,177,257.14 - Step 6: Final answer
x = 1,670,413.82
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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.