Finding the Fourth Proportional to 7,048,731.10, 10,575,861.45 and 2,561,460.70
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Solution
The fourth proportional to 7,048,731.10, 10,575,861.45 and 2,561,460.70 is: 3,843,195.76
Step by Step Solution
- Step 1: Write the proportion equation
7,048,731.10 : 10,575,861.45 = 2,561,460.70 : x - Step 2: Convert to fraction form
7,048,731.10/10,575,861.45 = 2,561,460.70/x - Step 3: Cross multiply
7,048,731.10x = 10,575,861.45 × 2,561,460.70 - Step 4: Simplify right side
7,048,731.10x = 27,089,653,472,820.02 - Step 5: Solve for x
x = 27,089,653,472,820.02/7,048,731.10 - Step 6: Final answer
x = 3,843,195.76
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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.