Finding the Fourth Proportional to 5,107,397.84, 7,048,230.36 and 2,815,508.24
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Solution
The fourth proportional to 5,107,397.84, 7,048,230.36 and 2,815,508.24 is: 3,885,413.14
Step by Step Solution
- Step 1: Write the proportion equation
5,107,397.84 : 7,048,230.36 = 2,815,508.24 : x - Step 2: Convert to fraction form
5,107,397.84/7,048,230.36 = 2,815,508.24/x - Step 3: Cross multiply
5,107,397.84x = 7,048,230.36 × 2,815,508.24 - Step 4: Simplify right side
5,107,397.84x = 19,844,350,655,998.17 - Step 5: Solve for x
x = 19,844,350,655,998.17/5,107,397.84 - Step 6: Final answer
x = 3,885,413.14
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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.