Finding the Fourth Proportional to 6,587,981.97, 9,091,413.09 and 3,687,372.07
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Solution
The fourth proportional to 6,587,981.97, 9,091,413.09 and 3,687,372.07 is: 5,088,572.32
Step by Step Solution
- Step 1: Write the proportion equation
6,587,981.97 : 9,091,413.09 = 3,687,372.07 : x - Step 2: Convert to fraction form
6,587,981.97/9,091,413.09 = 3,687,372.07/x - Step 3: Cross multiply
6,587,981.97x = 9,091,413.09 × 3,687,372.07 - Step 4: Simplify right side
6,587,981.97x = 33,523,422,730,090.31 - Step 5: Solve for x
x = 33,523,422,730,090.31/6,587,981.97 - Step 6: Final answer
x = 5,088,572.32
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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.