Finding the Fourth Proportional to 2,137,877.62, 2,950,272.39 and 1,171,024.09
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Solution
The fourth proportional to 2,137,877.62, 2,950,272.39 and 1,171,024.09 is: 1,616,013.94
Step by Step Solution
- Step 1: Write the proportion equation
2,137,877.62 : 2,950,272.39 = 1,171,024.09 : x - Step 2: Convert to fraction form
2,137,877.62/2,950,272.39 = 1,171,024.09/x - Step 3: Cross multiply
2,137,877.62x = 2,950,272.39 × 1,171,024.09 - Step 4: Simplify right side
2,137,877.62x = 3,454,840,040,751.88 - Step 5: Solve for x
x = 3,454,840,040,751.88/2,137,877.62 - Step 6: Final answer
x = 1,616,013.94
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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.