Finding the Fourth Proportional to 3,919,506.66, 5,408,736.45 and 2,177,289
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Solution
The fourth proportional to 3,919,506.66, 5,408,736.45 and 2,177,289 is: 3,004,557.31
Step by Step Solution
- Step 1: Write the proportion equation
3,919,506.66 : 5,408,736.45 = 2,177,289 : x - Step 2: Convert to fraction form
3,919,506.66/5,408,736.45 = 2,177,289/x - Step 3: Cross multiply
3,919,506.66x = 5,408,736.45 × 2,177,289 - Step 4: Simplify right side
3,919,506.66x = 11,776,382,376,484.05 - Step 5: Solve for x
x = 11,776,382,376,484.05/3,919,506.66 - Step 6: Final answer
x = 3,004,557.31
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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.