Finding the Fourth Proportional to 2,228,217.05, 3,342,552.12 and 769,073.58
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Solution
The fourth proportional to 2,228,217.05, 3,342,552.12 and 769,073.58 is: 1,153,688.56
Step by Step Solution
- Step 1: Write the proportion equation
2,228,217.05 : 3,342,552.12 = 769,073.58 : x - Step 2: Convert to fraction form
2,228,217.05/3,342,552.12 = 769,073.58/x - Step 3: Cross multiply
2,228,217.05x = 3,342,552.12 × 769,073.58 - Step 4: Simplify right side
2,228,217.05x = 2,570,668,525,264.99 - Step 5: Solve for x
x = 2,570,668,525,264.99/2,228,217.05 - Step 6: Final answer
x = 1,153,688.56
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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.