Finding the Fourth Proportional to 6,918,939.54, 10,378,446.35 and 4,537,862.28
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Solution
The fourth proportional to 6,918,939.54, 10,378,446.35 and 4,537,862.28 is: 6,806,817.71
Step by Step Solution
- Step 1: Write the proportion equation
6,918,939.54 : 10,378,446.35 = 4,537,862.28 : x - Step 2: Convert to fraction form
6,918,939.54/10,378,446.35 = 4,537,862.28/x - Step 3: Cross multiply
6,918,939.54x = 10,378,446.35 × 4,537,862.28 - Step 4: Simplify right side
6,918,939.54x = 47,095,960,193,979.38 - Step 5: Solve for x
x = 47,095,960,193,979.38/6,918,939.54 - Step 6: Final answer
x = 6,806,817.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.