Finding the Fourth Proportional to 6,323,490.84, 8,726,418.96 and 3,422,872.80
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Solution
The fourth proportional to 6,323,490.84, 8,726,418.96 and 3,422,872.80 is: 4,723,565.33
Step by Step Solution
- Step 1: Write the proportion equation
6,323,490.84 : 8,726,418.96 = 3,422,872.80 : x - Step 2: Convert to fraction form
6,323,490.84/8,726,418.96 = 3,422,872.80/x - Step 3: Cross multiply
6,323,490.84x = 8,726,418.96 × 3,422,872.80 - Step 4: Simplify right side
6,323,490.84x = 29,869,422,099,588.29 - Step 5: Solve for x
x = 29,869,422,099,588.29/6,323,490.84 - Step 6: Final answer
x = 4,723,565.33
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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.