Finding the Fourth Proportional to 5,737,767.84, 7,917,806.16 and 3,158,958.96
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Solution
The fourth proportional to 5,737,767.84, 7,917,806.16 and 3,158,958.96 is: 4,359,190.79
Step by Step Solution
- Step 1: Write the proportion equation
5,737,767.84 : 7,917,806.16 = 3,158,958.96 : x - Step 2: Convert to fraction form
5,737,767.84/7,917,806.16 = 3,158,958.96/x - Step 3: Cross multiply
5,737,767.84x = 7,917,806.16 × 3,158,958.96 - Step 4: Simplify right side
5,737,767.84x = 25,012,024,712,675.20 - Step 5: Solve for x
x = 25,012,024,712,675.20/5,737,767.84 - Step 6: Final answer
x = 4,359,190.79
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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.