Finding the Fourth Proportional to 3,102,248.20, 4,657,163.10 and 1,755,347.80
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Solution
The fourth proportional to 3,102,248.20, 4,657,163.10 and 1,755,347.80 is: 2,635,166.65
Step by Step Solution
- Step 1: Write the proportion equation
3,102,248.20 : 4,657,163.10 = 1,755,347.80 : x - Step 2: Convert to fraction form
3,102,248.20/4,657,163.10 = 1,755,347.80/x - Step 3: Cross multiply
3,102,248.20x = 4,657,163.10 × 1,755,347.80 - Step 4: Simplify right side
3,102,248.20x = 8,174,941,001,826.18 - Step 5: Solve for x
x = 8,174,941,001,826.18/3,102,248.20 - Step 6: Final answer
x = 2,635,166.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.