Finding the Fourth Proportional to 2,218,428.43, 3,327,833.13 and 778,988.08
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Solution
The fourth proportional to 2,218,428.43, 3,327,833.13 and 778,988.08 is: 1,168,549.01
Step by Step Solution
- Step 1: Write the proportion equation
2,218,428.43 : 3,327,833.13 = 778,988.08 : x - Step 2: Convert to fraction form
2,218,428.43/3,327,833.13 = 778,988.08/x - Step 3: Cross multiply
2,218,428.43x = 3,327,833.13 × 778,988.08 - Step 4: Simplify right side
2,218,428.43x = 2,592,342,340,499.09 - Step 5: Solve for x
x = 2,592,342,340,499.09/2,218,428.43 - Step 6: Final answer
x = 1,168,549.01
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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.