Finding the Fourth Proportional to 7,245,317.60, 10,855,534.80 and 4,719,672.80
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Solution
The fourth proportional to 7,245,317.60, 10,855,534.80 and 4,719,672.80 is: 7,071,404.62
Step by Step Solution
- Step 1: Write the proportion equation
7,245,317.60 : 10,855,534.80 = 4,719,672.80 : x - Step 2: Convert to fraction form
7,245,317.60/10,855,534.80 = 4,719,672.80/x - Step 3: Cross multiply
7,245,317.60x = 10,855,534.80 × 4,719,672.80 - Step 4: Simplify right side
7,245,317.60x = 51,234,572,325,013.45 - Step 5: Solve for x
x = 51,234,572,325,013.45/7,245,317.60 - Step 6: Final answer
x = 7,071,404.62
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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.