Finding the Fourth Proportional to 2,715,103.12, 3,746,623.80 and 1,569,257.68
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Solution
The fourth proportional to 2,715,103.12, 3,746,623.80 and 1,569,257.68 is: 2,165,449.31
Step by Step Solution
- Step 1: Write the proportion equation
2,715,103.12 : 3,746,623.80 = 1,569,257.68 : x - Step 2: Convert to fraction form
2,715,103.12/3,746,623.80 = 1,569,257.68/x - Step 3: Cross multiply
2,715,103.12x = 3,746,623.80 × 1,569,257.68 - Step 4: Simplify right side
2,715,103.12x = 5,879,418,172,220.78 - Step 5: Solve for x
x = 5,879,418,172,220.78/2,715,103.12 - Step 6: Final answer
x = 2,165,449.31
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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.