Finding the Fourth Proportional to 2,175,979.43, 3,264,620.99 and 878,463.72
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Solution
The fourth proportional to 2,175,979.43, 3,264,620.99 and 878,463.72 is: 1,317,958.74
Step by Step Solution
- Step 1: Write the proportion equation
2,175,979.43 : 3,264,620.99 = 878,463.72 : x - Step 2: Convert to fraction form
2,175,979.43/3,264,620.99 = 878,463.72/x - Step 3: Cross multiply
2,175,979.43x = 3,264,620.99 × 878,463.72 - Step 4: Simplify right side
2,175,979.43x = 2,867,851,094,873.16 - Step 5: Solve for x
x = 2,867,851,094,873.16/2,175,979.43 - Step 6: Final answer
x = 1,317,958.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.