Finding the Fourth Proportional to 3,929,584.80, 5,882,567.40 and 2,331,325.20
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Solution
The fourth proportional to 3,929,584.80, 5,882,567.40 and 2,331,325.20 is: 3,489,981.34
Step by Step Solution
- Step 1: Write the proportion equation
3,929,584.80 : 5,882,567.40 = 2,331,325.20 : x - Step 2: Convert to fraction form
3,929,584.80/5,882,567.40 = 2,331,325.20/x - Step 3: Cross multiply
3,929,584.80x = 5,882,567.40 × 2,331,325.20 - Step 4: Simplify right side
3,929,584.80x = 13,714,177,620,318.48 - Step 5: Solve for x
x = 13,714,177,620,318.48/3,929,584.80 - Step 6: Final answer
x = 3,489,981.34
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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.