Finding the Fourth Proportional to 4,543,132.80, 6,814,699.20 and 3,867,657.60
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Solution
The fourth proportional to 4,543,132.80, 6,814,699.20 and 3,867,657.60 is: 5,801,486.40
Step by Step Solution
- Step 1: Write the proportion equation
4,543,132.80 : 6,814,699.20 = 3,867,657.60 : x - Step 2: Convert to fraction form
4,543,132.80/6,814,699.20 = 3,867,657.60/x - Step 3: Cross multiply
4,543,132.80x = 6,814,699.20 × 3,867,657.60 - Step 4: Simplify right side
4,543,132.80x = 26,356,923,152,593.92 - Step 5: Solve for x
x = 26,356,923,152,593.92/4,543,132.80 - Step 6: Final answer
x = 5,801,486.40
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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.