Finding the Fourth Proportional to 2,078,737.80, 3,115,773.90 and 1,180,609.80
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Solution
The fourth proportional to 2,078,737.80, 3,115,773.90 and 1,180,609.80 is: 1,769,589.80
Step by Step Solution
- Step 1: Write the proportion equation
2,078,737.80 : 3,115,773.90 = 1,180,609.80 : x - Step 2: Convert to fraction form
2,078,737.80/3,115,773.90 = 1,180,609.80/x - Step 3: Cross multiply
2,078,737.80x = 3,115,773.90 × 1,180,609.80 - Step 4: Simplify right side
2,078,737.80x = 3,678,513,200,924.22 - Step 5: Solve for x
x = 3,678,513,200,924.22/2,078,737.80 - Step 6: Final answer
x = 1,769,589.80
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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.