Finding the Fourth Proportional to 4,800,721.14, 6,624,994.86 and 2,625,265.62
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Solution
The fourth proportional to 4,800,721.14, 6,624,994.86 and 2,625,265.62 is: 3,622,866.38
Step by Step Solution
- Step 1: Write the proportion equation
4,800,721.14 : 6,624,994.86 = 2,625,265.62 : x - Step 2: Convert to fraction form
4,800,721.14/6,624,994.86 = 2,625,265.62/x - Step 3: Cross multiply
4,800,721.14x = 6,624,994.86 × 2,625,265.62 - Step 4: Simplify right side
4,800,721.14x = 17,392,371,238,634.71 - Step 5: Solve for x
x = 17,392,371,238,634.71/4,800,721.14 - Step 6: Final answer
x = 3,622,866.38
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1.5x scale
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.