Finding the Fourth Proportional to 6,648,084.47, 9,178,625.66 and 4,170,701.09
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Solution
The fourth proportional to 6,648,084.47, 9,178,625.66 and 4,170,701.09 is: 5,758,245.73
Step by Step Solution
- Step 1: Write the proportion equation
6,648,084.47 : 9,178,625.66 = 4,170,701.09 : x - Step 2: Convert to fraction form
6,648,084.47/9,178,625.66 = 4,170,701.09/x - Step 3: Cross multiply
6,648,084.47x = 9,178,625.66 × 4,170,701.09 - Step 4: Simplify right side
6,648,084.47x = 38,281,304,044,863.97 - Step 5: Solve for x
x = 38,281,304,044,863.97/6,648,084.47 - Step 6: Final answer
x = 5,758,245.73
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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.