Finding the Fourth Proportional to 5,731,650.71, 7,909,677.70 and 3,153,276.13
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Solution
The fourth proportional to 5,731,650.71, 7,909,677.70 and 3,153,276.13 is: 4,351,520.91
Step by Step Solution
- Step 1: Write the proportion equation
5,731,650.71 : 7,909,677.70 = 3,153,276.13 : x - Step 2: Convert to fraction form
5,731,650.71/7,909,677.70 = 3,153,276.13/x - Step 3: Cross multiply
5,731,650.71x = 7,909,677.70 × 3,153,276.13 - Step 4: Simplify right side
5,731,650.71x = 24,941,397,887,403.30 - Step 5: Solve for x
x = 24,941,397,887,403.30/5,731,650.71 - Step 6: Final answer
x = 4,351,520.91
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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.