Finding the Fourth Proportional to 5,252,125.11, 7,247,987.89 and 2,960,285.80
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Solution
The fourth proportional to 5,252,125.11, 7,247,987.89 and 2,960,285.80 is: 4,085,225.53
Step by Step Solution
- Step 1: Write the proportion equation
5,252,125.11 : 7,247,987.89 = 2,960,285.80 : x - Step 2: Convert to fraction form
5,252,125.11/7,247,987.89 = 2,960,285.80/x - Step 3: Cross multiply
5,252,125.11x = 7,247,987.89 × 2,960,285.80 - Step 4: Simplify right side
5,252,125.11x = 21,456,115,603,818.28 - Step 5: Solve for x
x = 21,456,115,603,818.28/5,252,125.11 - Step 6: Final answer
x = 4,085,225.53
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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.