Finding the Fourth Proportional to 4,891,482.10, 7,338,773.19 and 3,815,683.12
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Solution
The fourth proportional to 4,891,482.10, 7,338,773.19 and 3,815,683.12 is: 5,724,733.81
Step by Step Solution
- Step 1: Write the proportion equation
4,891,482.10 : 7,338,773.19 = 3,815,683.12 : x - Step 2: Convert to fraction form
4,891,482.10/7,338,773.19 = 3,815,683.12/x - Step 3: Cross multiply
4,891,482.10x = 7,338,773.19 × 3,815,683.12 - Step 4: Simplify right side
4,891,482.10x = 28,002,432,982,591.55 - Step 5: Solve for x
x = 28,002,432,982,591.55/4,891,482.10 - Step 6: Final answer
x = 5,724,733.81
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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.