Finding the Fourth Proportional to 2,602,479.92, 3,591,534.54 and 1,440,926.18
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Solution
The fourth proportional to 2,602,479.92, 3,591,534.54 and 1,440,926.18 is: 1,988,540.28
Step by Step Solution
- Step 1: Write the proportion equation
2,602,479.92 : 3,591,534.54 = 1,440,926.18 : x - Step 2: Convert to fraction form
2,602,479.92/3,591,534.54 = 1,440,926.18/x - Step 3: Cross multiply
2,602,479.92x = 3,591,534.54 × 1,440,926.18 - Step 4: Simplify right side
2,602,479.92x = 5,175,136,145,060.26 - Step 5: Solve for x
x = 5,175,136,145,060.26/2,602,479.92 - Step 6: Final answer
x = 1,988,540.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.