Finding the Fourth Proportional to 3,425,284.16, 5,117,093.20 and 2,217,366.08
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Solution
The fourth proportional to 3,425,284.16, 5,117,093.20 and 2,217,366.08 is: 3,312,562.80
Step by Step Solution
- Step 1: Write the proportion equation
3,425,284.16 : 5,117,093.20 = 2,217,366.08 : x - Step 2: Convert to fraction form
3,425,284.16/5,117,093.20 = 2,217,366.08/x - Step 3: Cross multiply
3,425,284.16x = 5,117,093.20 × 2,217,366.08 - Step 4: Simplify right side
3,425,284.16x = 11,346,468,889,878.66 - Step 5: Solve for x
x = 11,346,468,889,878.66/3,425,284.16 - Step 6: Final answer
x = 3,312,562.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.