Finding the Fourth Proportional to 6,476,987.71, 9,718,843.99 and 2,641,623.94
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Solution
The fourth proportional to 6,476,987.71, 9,718,843.99 and 2,641,623.94 is: 3,963,807.27
Step by Step Solution
- Step 1: Write the proportion equation
6,476,987.71 : 9,718,843.99 = 2,641,623.94 : x - Step 2: Convert to fraction form
6,476,987.71/9,718,843.99 = 2,641,623.94/x - Step 3: Cross multiply
6,476,987.71x = 9,718,843.99 × 2,641,623.94 - Step 4: Simplify right side
6,476,987.71x = 25,673,530,983,512.05 - Step 5: Solve for x
x = 25,673,530,983,512.05/6,476,987.71 - Step 6: Final answer
x = 3,963,807.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.