Finding the Fourth Proportional to 5,252,277.12, 7,878,413.12 and 1,263,187.84
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Solution
The fourth proportional to 5,252,277.12, 7,878,413.12 and 1,263,187.84 is: 1,894,781.14
Step by Step Solution
- Step 1: Write the proportion equation
5,252,277.12 : 7,878,413.12 = 1,263,187.84 : x - Step 2: Convert to fraction form
5,252,277.12/7,878,413.12 = 1,263,187.84/x - Step 3: Cross multiply
5,252,277.12x = 7,878,413.12 × 1,263,187.84 - Step 4: Simplify right side
5,252,277.12x = 9,951,915,651,680.46 - Step 5: Solve for x
x = 9,951,915,651,680.46/5,252,277.12 - Step 6: Final answer
x = 1,894,781.14
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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.