Finding the Fourth Proportional to 3,865,282.36, 5,796,965.46 and 1,306,440.47
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Solution
The fourth proportional to 3,865,282.36, 5,796,965.46 and 1,306,440.47 is: 1,959,336.88
Step by Step Solution
- Step 1: Write the proportion equation
3,865,282.36 : 5,796,965.46 = 1,306,440.47 : x - Step 2: Convert to fraction form
3,865,282.36/5,796,965.46 = 1,306,440.47/x - Step 3: Cross multiply
3,865,282.36x = 5,796,965.46 × 1,306,440.47 - Step 4: Simplify right side
3,865,282.36x = 7,573,390,280,136.17 - Step 5: Solve for x
x = 7,573,390,280,136.17/3,865,282.36 - Step 6: Final answer
x = 1,959,336.88
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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.