Finding the Fourth Proportional to 4,214,385.70, 5,815,866.94 and 2,280,645.78
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Solution
The fourth proportional to 4,214,385.70, 5,815,866.94 and 2,280,645.78 is: 3,147,299.12
Step by Step Solution
- Step 1: Write the proportion equation
4,214,385.70 : 5,815,866.94 = 2,280,645.78 : x - Step 2: Convert to fraction form
4,214,385.70/5,815,866.94 = 2,280,645.78/x - Step 3: Cross multiply
4,214,385.70x = 5,815,866.94 × 2,280,645.78 - Step 4: Simplify right side
4,214,385.70x = 13,263,932,393,752.51 - Step 5: Solve for x
x = 13,263,932,393,752.51/4,214,385.70 - Step 6: Final answer
x = 3,147,299.12
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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.