Finding the Fourth Proportional to 4,192,385.99, 6,288,580.51 and 1,313,976.17
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Solution
The fourth proportional to 4,192,385.99, 6,288,580.51 and 1,313,976.17 is: 1,970,964.73
Step by Step Solution
- Step 1: Write the proportion equation
4,192,385.99 : 6,288,580.51 = 1,313,976.17 : x - Step 2: Convert to fraction form
4,192,385.99/6,288,580.51 = 1,313,976.17/x - Step 3: Cross multiply
4,192,385.99x = 6,288,580.51 × 1,313,976.17 - Step 4: Simplify right side
4,192,385.99x = 8,263,044,945,702.96 - Step 5: Solve for x
x = 8,263,044,945,702.96/4,192,385.99 - Step 6: Final answer
x = 1,970,964.73
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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.