Finding the Fourth Proportional to 4,526,876.16, 6,247,141.20 and 2,489,719.68
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Solution
The fourth proportional to 4,526,876.16, 6,247,141.20 and 2,489,719.68 is: 3,435,841.81
Step by Step Solution
- Step 1: Write the proportion equation
4,526,876.16 : 6,247,141.20 = 2,489,719.68 : x - Step 2: Convert to fraction form
4,526,876.16/6,247,141.20 = 2,489,719.68/x - Step 3: Cross multiply
4,526,876.16x = 6,247,141.20 × 2,489,719.68 - Step 4: Simplify right side
4,526,876.16x = 15,553,630,389,378.82 - Step 5: Solve for x
x = 15,553,630,389,378.82/4,526,876.16 - Step 6: Final answer
x = 3,435,841.81
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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.