Finding the Fourth Proportional to 2,548,753.10, 3,517,279.08 and 1,387,207.69
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Solution
The fourth proportional to 2,548,753.10, 3,517,279.08 and 1,387,207.69 is: 1,914,346.50
Step by Step Solution
- Step 1: Write the proportion equation
2,548,753.10 : 3,517,279.08 = 1,387,207.69 : x - Step 2: Convert to fraction form
2,548,753.10/3,517,279.08 = 1,387,207.69/x - Step 3: Cross multiply
2,548,753.10x = 3,517,279.08 × 1,387,207.69 - Step 4: Simplify right side
2,548,753.10x = 4,879,196,587,652.13 - Step 5: Solve for x
x = 4,879,196,587,652.13/2,548,753.10 - Step 6: Final answer
x = 1,914,346.50
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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.