Finding the Fourth Proportional to 3,758,916.72, 5,187,302.98 and 2,127,294.44
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Solution
The fourth proportional to 3,758,916.72, 5,187,302.98 and 2,127,294.44 is: 2,935,665.14
Step by Step Solution
- Step 1: Write the proportion equation
3,758,916.72 : 5,187,302.98 = 2,127,294.44 : x - Step 2: Convert to fraction form
3,758,916.72/5,187,302.98 = 2,127,294.44/x - Step 3: Cross multiply
3,758,916.72x = 5,187,302.98 × 2,127,294.44 - Step 4: Simplify right side
3,758,916.72x = 11,034,920,787,949.43 - Step 5: Solve for x
x = 11,034,920,787,949.43/3,758,916.72 - Step 6: Final answer
x = 2,935,665.14
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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.