Finding the Fourth Proportional to 4,000,231.74, 5,520,334.35 and 2,164,689.84
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Solution
The fourth proportional to 4,000,231.74, 5,520,334.35 and 2,164,689.84 is: 2,987,279.85
Step by Step Solution
- Step 1: Write the proportion equation
4,000,231.74 : 5,520,334.35 = 2,164,689.84 : x - Step 2: Convert to fraction form
4,000,231.74/5,520,334.35 = 2,164,689.84/x - Step 3: Cross multiply
4,000,231.74x = 5,520,334.35 × 2,164,689.84 - Step 4: Simplify right side
4,000,231.74x = 11,949,811,680,848.00 - Step 5: Solve for x
x = 11,949,811,680,848.00/4,000,231.74 - Step 6: Final answer
x = 2,987,279.85
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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.