Finding the Fourth Proportional to 2,583,593.60, 3,873,640.80 and 1,320,382.40
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Solution
The fourth proportional to 2,583,593.60, 3,873,640.80 and 1,320,382.40 is: 1,979,679.44
Step by Step Solution
- Step 1: Write the proportion equation
2,583,593.60 : 3,873,640.80 = 1,320,382.40 : x - Step 2: Convert to fraction form
2,583,593.60/3,873,640.80 = 1,320,382.40/x - Step 3: Cross multiply
2,583,593.60x = 3,873,640.80 × 1,320,382.40 - Step 4: Simplify right side
2,583,593.60x = 5,114,687,136,241.92 - Step 5: Solve for x
x = 5,114,687,136,241.92/2,583,593.60 - Step 6: Final answer
x = 1,979,679.44
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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.