Finding the Fourth Proportional to 5,257,647.84, 7,248,979.76 and 4,387,733.76
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Solution
The fourth proportional to 5,257,647.84, 7,248,979.76 and 4,387,733.76 is: 6,049,586.09
Step by Step Solution
- Step 1: Write the proportion equation
5,257,647.84 : 7,248,979.76 = 4,387,733.76 : x - Step 2: Convert to fraction form
5,257,647.84/7,248,979.76 = 4,387,733.76/x - Step 3: Cross multiply
5,257,647.84x = 7,248,979.76 × 4,387,733.76 - Step 4: Simplify right side
5,257,647.84x = 31,806,593,218,508.70 - Step 5: Solve for x
x = 31,806,593,218,508.70/5,257,647.84 - Step 6: Final answer
x = 6,049,586.09
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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.