Finding the Fourth Proportional to 5,579,623.17, 7,699,876.07 and 3,132,238.95
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Solution
The fourth proportional to 5,579,623.17, 7,699,876.07 and 3,132,238.95 is: 4,322,487.56
Step by Step Solution
- Step 1: Write the proportion equation
5,579,623.17 : 7,699,876.07 = 3,132,238.95 : x - Step 2: Convert to fraction form
5,579,623.17/7,699,876.07 = 3,132,238.95/x - Step 3: Cross multiply
5,579,623.17x = 7,699,876.07 × 3,132,238.95 - Step 4: Simplify right side
5,579,623.17x = 24,117,851,720,965.73 - Step 5: Solve for x
x = 24,117,851,720,965.73/5,579,623.17 - Step 6: Final answer
x = 4,322,487.56
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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.