Finding the Fourth Proportional to 6,479,584.74, 8,941,065.12 and 3,578,802.66
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Solution
The fourth proportional to 6,479,584.74, 8,941,065.12 and 3,578,802.66 is: 4,938,326.90
Step by Step Solution
- Step 1: Write the proportion equation
6,479,584.74 : 8,941,065.12 = 3,578,802.66 : x - Step 2: Convert to fraction form
6,479,584.74/8,941,065.12 = 3,578,802.66/x - Step 3: Cross multiply
6,479,584.74x = 8,941,065.12 × 3,578,802.66 - Step 4: Simplify right side
6,479,584.74x = 31,998,307,634,689.22 - Step 5: Solve for x
x = 31,998,307,634,689.22/6,479,584.74 - Step 6: Final answer
x = 4,938,326.90
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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.