Finding the Fourth Proportional to 4,342,671.90, 5,993,604.81 and 2,409,555.24
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Solution
The fourth proportional to 4,342,671.90, 5,993,604.81 and 2,409,555.24 is: 3,325,584.39
Step by Step Solution
- Step 1: Write the proportion equation
4,342,671.90 : 5,993,604.81 = 2,409,555.24 : x - Step 2: Convert to fraction form
4,342,671.90/5,993,604.81 = 2,409,555.24/x - Step 3: Cross multiply
4,342,671.90x = 5,993,604.81 × 2,409,555.24 - Step 4: Simplify right side
4,342,671.90x = 14,441,921,876,424.71 - Step 5: Solve for x
x = 14,441,921,876,424.71/4,342,671.90 - Step 6: Final answer
x = 3,325,584.39
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.