Finding the Fourth Proportional to 2,747,889.90, 4,121,845.45 and 1,149,331.68
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Solution
The fourth proportional to 2,747,889.90, 4,121,845.45 and 1,149,331.68 is: 1,724,001.95
Step by Step Solution
- Step 1: Write the proportion equation
2,747,889.90 : 4,121,845.45 = 1,149,331.68 : x - Step 2: Convert to fraction form
2,747,889.90/4,121,845.45 = 1,149,331.68/x - Step 3: Cross multiply
2,747,889.90x = 4,121,845.45 × 1,149,331.68 - Step 4: Simplify right side
2,747,889.90x = 4,737,367,552,875.53 - Step 5: Solve for x
x = 4,737,367,552,875.53/2,747,889.90 - Step 6: Final answer
x = 1,724,001.95
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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.