Finding the Fourth Proportional to 6,658,668.14, 9,988,071.41 and 2,340,839.18
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Solution
The fourth proportional to 6,658,668.14, 9,988,071.41 and 2,340,839.18 is: 3,511,283.09
Step by Step Solution
- Step 1: Write the proportion equation
6,658,668.14 : 9,988,071.41 = 2,340,839.18 : x - Step 2: Convert to fraction form
6,658,668.14/9,988,071.41 = 2,340,839.18/x - Step 3: Cross multiply
6,658,668.14x = 9,988,071.41 × 2,340,839.18 - Step 4: Simplify right side
6,658,668.14x = 23,380,468,827,521.29 - Step 5: Solve for x
x = 23,380,468,827,521.29/6,658,668.14 - Step 6: Final answer
x = 3,511,283.09
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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.