Finding the Fourth Proportional to 3,642,977.57, 5,464,728.79 and 1,399,115.57
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Solution
The fourth proportional to 3,642,977.57, 5,464,728.79 and 1,399,115.57 is: 2,098,774.15
Step by Step Solution
- Step 1: Write the proportion equation
3,642,977.57 : 5,464,728.79 = 1,399,115.57 : x - Step 2: Convert to fraction form
3,642,977.57/5,464,728.79 = 1,399,115.57/x - Step 3: Cross multiply
3,642,977.57x = 5,464,728.79 × 1,399,115.57 - Step 4: Simplify right side
3,642,977.57x = 7,645,787,135,916.26 - Step 5: Solve for x
x = 7,645,787,135,916.26/3,642,977.57 - Step 6: Final answer
x = 2,098,774.15
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1.5x scale
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.