Finding the Fourth Proportional to 3,658,338.10, 5,040,377.30 and 2,415,742.12
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Solution
The fourth proportional to 3,658,338.10, 5,040,377.30 and 2,415,742.12 is: 3,328,356.05
Step by Step Solution
- Step 1: Write the proportion equation
3,658,338.10 : 5,040,377.30 = 2,415,742.12 : x - Step 2: Convert to fraction form
3,658,338.10/5,040,377.30 = 2,415,742.12/x - Step 3: Cross multiply
3,658,338.10x = 5,040,377.30 × 2,415,742.12 - Step 4: Simplify right side
3,658,338.10x = 12,176,251,744,301.88 - Step 5: Solve for x
x = 12,176,251,744,301.88/3,658,338.10 - Step 6: Final answer
x = 3,328,356.05
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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.