Finding the Fourth Proportional to 3,211,545.42, 4,817,326.23 and 1,083,124.62
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Solution
The fourth proportional to 3,211,545.42, 4,817,326.23 and 1,083,124.62 is: 1,624,689.66
Step by Step Solution
- Step 1: Write the proportion equation
3,211,545.42 : 4,817,326.23 = 1,083,124.62 : x - Step 2: Convert to fraction form
3,211,545.42/4,817,326.23 = 1,083,124.62/x - Step 3: Cross multiply
3,211,545.42x = 4,817,326.23 × 1,083,124.62 - Step 4: Simplify right side
3,211,545.42x = 5,217,764,642,284.78 - Step 5: Solve for x
x = 5,217,764,642,284.78/3,211,545.42 - Step 6: Final answer
x = 1,624,689.66
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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.