Finding the Fourth Proportional to 5,013,103.38, 6,918,350.28 and 2,838,131.88
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Solution
The fourth proportional to 5,013,103.38, 6,918,350.28 and 2,838,131.88 is: 3,916,773.50
Step by Step Solution
- Step 1: Write the proportion equation
5,013,103.38 : 6,918,350.28 = 2,838,131.88 : x - Step 2: Convert to fraction form
5,013,103.38/6,918,350.28 = 2,838,131.88/x - Step 3: Cross multiply
5,013,103.38x = 6,918,350.28 × 2,838,131.88 - Step 4: Simplify right side
5,013,103.38x = 19,635,190,486,674.93 - Step 5: Solve for x
x = 19,635,190,486,674.93/5,013,103.38 - Step 6: Final answer
x = 3,916,773.50
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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.