Finding the Fourth Proportional to 4,976,908.70, 6,869,253.66 and 3,257,032.46
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Solution
The fourth proportional to 4,976,908.70, 6,869,253.66 and 3,257,032.46 is: 4,495,437.53
Step by Step Solution
- Step 1: Write the proportion equation
4,976,908.70 : 6,869,253.66 = 3,257,032.46 : x - Step 2: Convert to fraction form
4,976,908.70/6,869,253.66 = 3,257,032.46/x - Step 3: Cross multiply
4,976,908.70x = 6,869,253.66 × 3,257,032.46 - Step 4: Simplify right side
4,976,908.70x = 22,373,382,146,593.80 - Step 5: Solve for x
x = 22,373,382,146,593.80/4,976,908.70 - Step 6: Final answer
x = 4,495,437.53
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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.