Finding the Fourth Proportional to 6,428,545.85, 9,642,228.26 and 2,168,750.99
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Solution
The fourth proportional to 6,428,545.85, 9,642,228.26 and 2,168,750.99 is: 3,252,927.26
Step by Step Solution
- Step 1: Write the proportion equation
6,428,545.85 : 9,642,228.26 = 2,168,750.99 : x - Step 2: Convert to fraction form
6,428,545.85/9,642,228.26 = 2,168,750.99/x - Step 3: Cross multiply
6,428,545.85x = 9,642,228.26 × 2,168,750.99 - Step 4: Simplify right side
6,428,545.85x = 20,911,592,041,891.71 - Step 5: Solve for x
x = 20,911,592,041,891.71/6,428,545.85 - Step 6: Final answer
x = 3,252,927.26
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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.