Finding the Fourth Proportional to 4,720,241.08, 7,078,895.70 and 1,687,186.36
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Solution
The fourth proportional to 4,720,241.08, 7,078,895.70 and 1,687,186.36 is: 2,530,255.57
Step by Step Solution
- Step 1: Write the proportion equation
4,720,241.08 : 7,078,895.70 = 1,687,186.36 : x - Step 2: Convert to fraction form
4,720,241.08/7,078,895.70 = 1,687,186.36/x - Step 3: Cross multiply
4,720,241.08x = 7,078,895.70 × 1,687,186.36 - Step 4: Simplify right side
4,720,241.08x = 11,943,416,268,902.65 - Step 5: Solve for x
x = 11,943,416,268,902.65/4,720,241.08 - Step 6: Final answer
x = 2,530,255.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.