Finding the Fourth Proportional to 2,131,545.84, 2,941,553.88 and 1,164,676.08
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Solution
The fourth proportional to 2,131,545.84, 2,941,553.88 and 1,164,676.08 is: 1,607,264.26
Step by Step Solution
- Step 1: Write the proportion equation
2,131,545.84 : 2,941,553.88 = 1,164,676.08 : x - Step 2: Convert to fraction form
2,131,545.84/2,941,553.88 = 1,164,676.08/x - Step 3: Cross multiply
2,131,545.84x = 2,941,553.88 × 1,164,676.08 - Step 4: Simplify right side
2,131,545.84x = 3,425,957,442,067.19 - Step 5: Solve for x
x = 3,425,957,442,067.19/2,131,545.84 - Step 6: Final answer
x = 1,607,264.26
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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.