Finding the Fourth Proportional to 4,718,949.93, 6,497,235.81 and 4,287,943.26
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Solution
The fourth proportional to 4,718,949.93, 6,497,235.81 and 4,287,943.26 is: 5,903,808.88
Step by Step Solution
- Step 1: Write the proportion equation
4,718,949.93 : 6,497,235.81 = 4,287,943.26 : x - Step 2: Convert to fraction form
4,718,949.93/6,497,235.81 = 4,287,943.26/x - Step 3: Cross multiply
4,718,949.93x = 6,497,235.81 × 4,287,943.26 - Step 4: Simplify right side
4,718,949.93x = 27,859,778,500,120.14 - Step 5: Solve for x
x = 27,859,778,500,120.14/4,718,949.93 - Step 6: Final answer
x = 5,903,808.88
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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.