Finding the Fourth Proportional to 3,826,830.68, 5,281,026.62 and 2,107,951.19
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Solution
The fourth proportional to 3,826,830.68, 5,281,026.62 and 2,107,951.19 is: 2,908,972.80
Step by Step Solution
- Step 1: Write the proportion equation
3,826,830.68 : 5,281,026.62 = 2,107,951.19 : x - Step 2: Convert to fraction form
3,826,830.68/5,281,026.62 = 2,107,951.19/x - Step 3: Cross multiply
3,826,830.68x = 5,281,026.62 × 2,107,951.19 - Step 4: Simplify right side
3,826,830.68x = 11,132,146,361,253.24 - Step 5: Solve for x
x = 11,132,146,361,253.24/3,826,830.68 - Step 6: Final answer
x = 2,908,972.80
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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.