Finding the Fourth Proportional to 1,489,508.68, 2,049,071.74 and 1,304,915.96
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Solution
The fourth proportional to 1,489,508.68, 2,049,071.74 and 1,304,915.96 is: 1,795,133.16
Step by Step Solution
- Step 1: Write the proportion equation
1,489,508.68 : 2,049,071.74 = 1,304,915.96 : x - Step 2: Convert to fraction form
1,489,508.68/2,049,071.74 = 1,304,915.96/x - Step 3: Cross multiply
1,489,508.68x = 2,049,071.74 × 1,304,915.96 - Step 4: Simplify right side
1,489,508.68x = 2,673,866,416,710.97 - Step 5: Solve for x
x = 2,673,866,416,710.97/1,489,508.68 - Step 6: Final answer
x = 1,795,133.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.