Finding the Fourth Proportional to 2,790,707.62, 4,185,311.97 and 768,470.12
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Solution
The fourth proportional to 2,790,707.62, 4,185,311.97 and 768,470.12 is: 1,152,498.80
Step by Step Solution
- Step 1: Write the proportion equation
2,790,707.62 : 4,185,311.97 = 768,470.12 : x - Step 2: Convert to fraction form
2,790,707.62/4,185,311.97 = 768,470.12/x - Step 3: Cross multiply
2,790,707.62x = 4,185,311.97 × 768,470.12 - Step 4: Simplify right side
2,790,707.62x = 3,216,287,191,823.34 - Step 5: Solve for x
x = 3,216,287,191,823.34/2,790,707.62 - Step 6: Final answer
x = 1,152,498.80
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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.