Finding the Fourth Proportional to 4,708,647.77, 6,498,643.92 and 2,874,169.49
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Solution
The fourth proportional to 4,708,647.77, 6,498,643.92 and 2,874,169.49 is: 3,966,787.28
Step by Step Solution
- Step 1: Write the proportion equation
4,708,647.77 : 6,498,643.92 = 2,874,169.49 : x - Step 2: Convert to fraction form
4,708,647.77/6,498,643.92 = 2,874,169.49/x - Step 3: Cross multiply
4,708,647.77x = 6,498,643.92 × 2,874,169.49 - Step 4: Simplify right side
4,708,647.77x = 18,678,204,048,744.78 - Step 5: Solve for x
x = 18,678,204,048,744.78/4,708,647.77 - Step 6: Final answer
x = 3,966,787.28
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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.