Finding the Fourth Proportional to 2,995,486.80, 4,493,230.20 and 865,640.40
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Solution
The fourth proportional to 2,995,486.80, 4,493,230.20 and 865,640.40 is: 1,298,460.60
Step by Step Solution
- Step 1: Write the proportion equation
2,995,486.80 : 4,493,230.20 = 865,640.40 : x - Step 2: Convert to fraction form
2,995,486.80/4,493,230.20 = 865,640.40/x - Step 3: Cross multiply
2,995,486.80x = 4,493,230.20 × 865,640.40 - Step 4: Simplify right side
2,995,486.80x = 3,889,521,587,620.08 - Step 5: Solve for x
x = 3,889,521,587,620.08/2,995,486.80 - Step 6: Final answer
x = 1,298,460.60
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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.