Finding the Fourth Proportional to 5,537,872.80, 8,290,220.40 and 3,292,855.20
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Solution
The fourth proportional to 5,537,872.80, 8,290,220.40 and 3,292,855.20 is: 4,929,418.99
Step by Step Solution
- Step 1: Write the proportion equation
5,537,872.80 : 8,290,220.40 = 3,292,855.20 : x - Step 2: Convert to fraction form
5,537,872.80/8,290,220.40 = 3,292,855.20/x - Step 3: Cross multiply
5,537,872.80x = 8,290,220.40 × 3,292,855.20 - Step 4: Simplify right side
5,537,872.80x = 27,298,495,353,286.08 - Step 5: Solve for x
x = 27,298,495,353,286.08/5,537,872.80 - Step 6: Final answer
x = 4,929,418.99
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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.