Finding the Fourth Proportional to 3,588,405.12, 5,381,690.76 and 1,063,470.96
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Solution
The fourth proportional to 3,588,405.12, 5,381,690.76 and 1,063,470.96 is: 1,594,934.70
Step by Step Solution
- Step 1: Write the proportion equation
3,588,405.12 : 5,381,690.76 = 1,063,470.96 : x - Step 2: Convert to fraction form
3,588,405.12/5,381,690.76 = 1,063,470.96/x - Step 3: Cross multiply
3,588,405.12x = 5,381,690.76 × 1,063,470.96 - Step 4: Simplify right side
3,588,405.12x = 5,723,271,838,960.33 - Step 5: Solve for x
x = 5,723,271,838,960.33/3,588,405.12 - Step 6: Final answer
x = 1,594,934.70
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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.