Finding the Fourth Proportional to 2,517,979.94, 3,776,965.20 and 788,982.14
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Solution
The fourth proportional to 2,517,979.94, 3,776,965.20 and 788,982.14 is: 1,183,471.74
Step by Step Solution
- Step 1: Write the proportion equation
2,517,979.94 : 3,776,965.20 = 788,982.14 : x - Step 2: Convert to fraction form
2,517,979.94/3,776,965.20 = 788,982.14/x - Step 3: Cross multiply
2,517,979.94x = 3,776,965.20 × 788,982.14 - Step 4: Simplify right side
2,517,979.94x = 2,979,958,095,643.94 - Step 5: Solve for x
x = 2,979,958,095,643.94/2,517,979.94 - Step 6: Final answer
x = 1,183,471.74
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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.