Finding the Fourth Proportional to 4,270,981.43, 6,407,413.25 and 1,238,473.91
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Solution
The fourth proportional to 4,270,981.43, 6,407,413.25 and 1,238,473.91 is: 1,857,983.75
Step by Step Solution
- Step 1: Write the proportion equation
4,270,981.43 : 6,407,413.25 = 1,238,473.91 : x - Step 2: Convert to fraction form
4,270,981.43/6,407,413.25 = 1,238,473.91/x - Step 3: Cross multiply
4,270,981.43x = 6,407,413.25 × 1,238,473.91 - Step 4: Simplify right side
4,270,981.43x = 7,935,414,102,483.87 - Step 5: Solve for x
x = 7,935,414,102,483.87/4,270,981.43 - Step 6: Final answer
x = 1,857,983.75
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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.