Finding the Fourth Proportional to 3,396,479.52, 4,687,141.68 and 1,868,553.84
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Solution
The fourth proportional to 3,396,479.52, 4,687,141.68 and 1,868,553.84 is: 2,578,604.27
Step by Step Solution
- Step 1: Write the proportion equation
3,396,479.52 : 4,687,141.68 = 1,868,553.84 : x - Step 2: Convert to fraction form
3,396,479.52/4,687,141.68 = 1,868,553.84/x - Step 3: Cross multiply
3,396,479.52x = 4,687,141.68 × 1,868,553.84 - Step 4: Simplify right side
3,396,479.52x = 8,758,176,584,788.05 - Step 5: Solve for x
x = 8,758,176,584,788.05/3,396,479.52 - Step 6: Final answer
x = 2,578,604.27
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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.