Finding the Fourth Proportional to 4,856,319.77, 6,701,545.62 and 2,680,816.21
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Solution
The fourth proportional to 4,856,319.77, 6,701,545.62 and 2,680,816.21 is: 3,699,429.40
Step by Step Solution
- Step 1: Write the proportion equation
4,856,319.77 : 6,701,545.62 = 2,680,816.21 : x - Step 2: Convert to fraction form
4,856,319.77/6,701,545.62 = 2,680,816.21/x - Step 3: Cross multiply
4,856,319.77x = 6,701,545.62 × 2,680,816.21 - Step 4: Simplify right side
4,856,319.77x = 17,965,612,113,396.64 - Step 5: Solve for x
x = 17,965,612,113,396.64/4,856,319.77 - Step 6: Final answer
x = 3,699,429.40
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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.