Finding the Fourth Proportional to 2,016,479.80, 2,782,706.94 and 1,098,716.54
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Solution
The fourth proportional to 2,016,479.80, 2,782,706.94 and 1,098,716.54 is: 1,516,209.65
Step by Step Solution
- Step 1: Write the proportion equation
2,016,479.80 : 2,782,706.94 = 1,098,716.54 : x - Step 2: Convert to fraction form
2,016,479.80/2,782,706.94 = 1,098,716.54/x - Step 3: Cross multiply
2,016,479.80x = 2,782,706.94 × 1,098,716.54 - Step 4: Simplify right side
2,016,479.80x = 3,057,406,140,950.79 - Step 5: Solve for x
x = 3,057,406,140,950.79/2,016,479.80 - Step 6: Final answer
x = 1,516,209.65
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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.