Finding the Fourth Proportional to 4,874,115.53, 6,726,489.68 and 2,698,658.78
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Solution
The fourth proportional to 4,874,115.53, 6,726,489.68 and 2,698,658.78 is: 3,724,265.52
Step by Step Solution
- Step 1: Write the proportion equation
4,874,115.53 : 6,726,489.68 = 2,698,658.78 : x - Step 2: Convert to fraction form
4,874,115.53/6,726,489.68 = 2,698,658.78/x - Step 3: Cross multiply
4,874,115.53x = 6,726,489.68 × 2,698,658.78 - Step 4: Simplify right side
4,874,115.53x = 18,152,500,406,625.59 - Step 5: Solve for x
x = 18,152,500,406,625.59/4,874,115.53 - Step 6: Final answer
x = 3,724,265.52
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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.