Finding the Fourth Proportional to 3,948,776.24, 5,449,000.46 and 2,182,600.08
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Solution
The fourth proportional to 3,948,776.24, 5,449,000.46 and 2,182,600.08 is: 3,011,816.35
Step by Step Solution
- Step 1: Write the proportion equation
3,948,776.24 : 5,449,000.46 = 2,182,600.08 : x - Step 2: Convert to fraction form
3,948,776.24/5,449,000.46 = 2,182,600.08/x - Step 3: Cross multiply
3,948,776.24x = 5,449,000.46 × 2,182,600.08 - Step 4: Simplify right side
3,948,776.24x = 11,892,988,829,003.04 - Step 5: Solve for x
x = 11,892,988,829,003.04/3,948,776.24 - Step 6: Final answer
x = 3,011,816.35
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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.