Finding the Fourth Proportional to 3,718,635.08, 5,131,970.60 and 2,064,867.62
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Solution
The fourth proportional to 3,718,635.08, 5,131,970.60 and 2,064,867.62 is: 2,849,658.46
Step by Step Solution
- Step 1: Write the proportion equation
3,718,635.08 : 5,131,970.60 = 2,064,867.62 : x - Step 2: Convert to fraction form
3,718,635.08/5,131,970.60 = 2,064,867.62/x - Step 3: Cross multiply
3,718,635.08x = 5,131,970.60 × 2,064,867.62 - Step 4: Simplify right side
3,718,635.08x = 10,596,839,882,747.78 - Step 5: Solve for x
x = 10,596,839,882,747.78/3,718,635.08 - Step 6: Final answer
x = 2,849,658.46
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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.