Finding the Fourth Proportional to 5,081,309.12, 7,011,948.80 and 3,016,413.12
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Solution
The fourth proportional to 5,081,309.12, 7,011,948.80 and 3,016,413.12 is: 4,162,497.08
Step by Step Solution
- Step 1: Write the proportion equation
5,081,309.12 : 7,011,948.80 = 3,016,413.12 : x - Step 2: Convert to fraction form
5,081,309.12/7,011,948.80 = 3,016,413.12/x - Step 3: Cross multiply
5,081,309.12x = 7,011,948.80 × 3,016,413.12 - Step 4: Simplify right side
5,081,309.12x = 21,150,934,357,088.26 - Step 5: Solve for x
x = 21,150,934,357,088.26/5,081,309.12 - Step 6: Final answer
x = 4,162,497.08
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1.5x scale
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.