Finding the Fourth Proportional to 2,218,517.17, 3,319,019.99 and 1,680,323.81
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Solution
The fourth proportional to 2,218,517.17, 3,319,019.99 and 1,680,323.81 is: 2,513,854.02
Step by Step Solution
- Step 1: Write the proportion equation
2,218,517.17 : 3,319,019.99 = 1,680,323.81 : x - Step 2: Convert to fraction form
2,218,517.17/3,319,019.99 = 1,680,323.81/x - Step 3: Cross multiply
2,218,517.17x = 3,319,019.99 × 1,680,323.81 - Step 4: Simplify right side
2,218,517.17x = 5,577,028,290,066.24 - Step 5: Solve for x
x = 5,577,028,290,066.24/2,218,517.17 - Step 6: Final answer
x = 2,513,854.02
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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.