Finding the Fourth Proportional to 7,452,047.60, 11,178,071.40 and 2,659,893.20
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Solution
The fourth proportional to 7,452,047.60, 11,178,071.40 and 2,659,893.20 is: 3,989,839.80
Step by Step Solution
- Step 1: Write the proportion equation
7,452,047.60 : 11,178,071.40 = 2,659,893.20 : x - Step 2: Convert to fraction form
7,452,047.60/11,178,071.40 = 2,659,893.20/x - Step 3: Cross multiply
7,452,047.60x = 11,178,071.40 × 2,659,893.20 - Step 4: Simplify right side
7,452,047.60x = 29,732,476,105,974.48 - Step 5: Solve for x
x = 29,732,476,105,974.48/7,452,047.60 - Step 6: Final answer
x = 3,989,839.80
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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.