Finding the Fourth Proportional to 6,486,652.92, 8,951,299.80 and 3,546,413.66
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Solution
The fourth proportional to 6,486,652.92, 8,951,299.80 and 3,546,413.66 is: 4,893,897.10
Step by Step Solution
- Step 1: Write the proportion equation
6,486,652.92 : 8,951,299.80 = 3,546,413.66 : x - Step 2: Convert to fraction form
6,486,652.92/8,951,299.80 = 3,546,413.66/x - Step 3: Cross multiply
6,486,652.92x = 8,951,299.80 × 3,546,413.66 - Step 4: Simplify right side
6,486,652.92x = 31,745,011,885,475.27 - Step 5: Solve for x
x = 31,745,011,885,475.27/6,486,652.92 - Step 6: Final answer
x = 4,893,897.10
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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.