Finding the Fourth Proportional to 4,003,417.20, 5,524,726.86 and 2,167,897.08
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Solution
The fourth proportional to 4,003,417.20, 5,524,726.86 and 2,167,897.08 is: 2,991,703.99
Step by Step Solution
- Step 1: Write the proportion equation
4,003,417.20 : 5,524,726.86 = 2,167,897.08 : x - Step 2: Convert to fraction form
4,003,417.20/5,524,726.86 = 2,167,897.08/x - Step 3: Cross multiply
4,003,417.20x = 5,524,726.86 × 2,167,897.08 - Step 4: Simplify right side
4,003,417.20x = 11,977,039,227,591.57 - Step 5: Solve for x
x = 11,977,039,227,591.57/4,003,417.20 - Step 6: Final answer
x = 2,991,703.99
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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.