Finding the Fourth Proportional to 6,428,545.66, 9,642,227.99 and 2,168,750.80
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Solution
The fourth proportional to 6,428,545.66, 9,642,227.99 and 2,168,750.80 is: 3,252,926.98
Step by Step Solution
- Step 1: Write the proportion equation
6,428,545.66 : 9,642,227.99 = 2,168,750.80 : x - Step 2: Convert to fraction form
6,428,545.66/9,642,227.99 = 2,168,750.80/x - Step 3: Cross multiply
6,428,545.66x = 9,642,227.99 × 2,168,750.80 - Step 4: Simplify right side
6,428,545.66x = 20,911,589,614,066.39 - Step 5: Solve for x
x = 20,911,589,614,066.39/6,428,545.66 - Step 6: Final answer
x = 3,252,926.98
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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.