Finding the Fourth Proportional to 3,420,658.80, 5,131,153.50 and 896,316.48
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Solution
The fourth proportional to 3,420,658.80, 5,131,153.50 and 896,316.48 is: 1,344,518.03
Step by Step Solution
- Step 1: Write the proportion equation
3,420,658.80 : 5,131,153.50 = 896,316.48 : x - Step 2: Convert to fraction form
3,420,658.80/5,131,153.50 = 896,316.48/x - Step 3: Cross multiply
3,420,658.80x = 5,131,153.50 × 896,316.48 - Step 4: Simplify right side
3,420,658.80x = 4,599,137,443,459.68 - Step 5: Solve for x
x = 4,599,137,443,459.68/3,420,658.80 - Step 6: Final answer
x = 1,344,518.03
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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.