Finding the Fourth Proportional to 2,876,712.48, 3,971,355.62 and 2,101,472.82
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Solution
The fourth proportional to 2,876,712.48, 3,971,355.62 and 2,101,472.82 is: 2,901,122.70
Step by Step Solution
- Step 1: Write the proportion equation
2,876,712.48 : 3,971,355.62 = 2,101,472.82 : x - Step 2: Convert to fraction form
2,876,712.48/3,971,355.62 = 2,101,472.82/x - Step 3: Cross multiply
2,876,712.48x = 3,971,355.62 × 2,101,472.82 - Step 4: Simplify right side
2,876,712.48x = 8,345,695,883,476.88 - Step 5: Solve for x
x = 8,345,695,883,476.88/2,876,712.48 - Step 6: Final answer
x = 2,901,122.70
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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.