Finding the Fourth Proportional to 4,972,159.07, 6,861,510.61 and 2,796,703.70
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Solution
The fourth proportional to 4,972,159.07, 6,861,510.61 and 2,796,703.70 is: 3,859,412.34
Step by Step Solution
- Step 1: Write the proportion equation
4,972,159.07 : 6,861,510.61 = 2,796,703.70 : x - Step 2: Convert to fraction form
4,972,159.07/6,861,510.61 = 2,796,703.70/x - Step 3: Cross multiply
4,972,159.07x = 6,861,510.61 × 2,796,703.70 - Step 4: Simplify right side
4,972,159.07x = 19,189,612,069,276.94 - Step 5: Solve for x
x = 19,189,612,069,276.94/4,972,159.07 - Step 6: Final answer
x = 3,859,412.34
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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.