Finding the Fourth Proportional to 6,382,915.20, 8,814,218.04 and 4,750,726.32
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Solution
The fourth proportional to 6,382,915.20, 8,814,218.04 and 4,750,726.32 is: 6,560,315.52
Step by Step Solution
- Step 1: Write the proportion equation
6,382,915.20 : 8,814,218.04 = 4,750,726.32 : x - Step 2: Convert to fraction form
6,382,915.20/8,814,218.04 = 4,750,726.32/x - Step 3: Cross multiply
6,382,915.20x = 8,814,218.04 × 4,750,726.32 - Step 4: Simplify right side
6,382,915.20x = 41,873,937,632,846.81 - Step 5: Solve for x
x = 41,873,937,632,846.81/6,382,915.20 - Step 6: Final answer
x = 6,560,315.52
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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.