Finding the Fourth Proportional to 4,718,955.68, 6,497,243.73 and 4,287,949.01
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Solution
The fourth proportional to 4,718,955.68, 6,497,243.73 and 4,287,949.01 is: 5,903,816.80
Step by Step Solution
- Step 1: Write the proportion equation
4,718,955.68 : 6,497,243.73 = 4,287,949.01 : x - Step 2: Convert to fraction form
4,718,955.68/6,497,243.73 = 4,287,949.01/x - Step 3: Cross multiply
4,718,955.68x = 6,497,243.73 × 4,287,949.01 - Step 4: Simplify right side
4,718,955.68x = 27,859,849,819,782.21 - Step 5: Solve for x
x = 27,859,849,819,782.21/4,718,955.68 - Step 6: Final answer
x = 5,903,816.80
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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.