Finding the Fourth Proportional to 4,969,742.70, 7,444,116.45 and 4,129,934.70
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Solution
The fourth proportional to 4,969,742.70, 7,444,116.45 and 4,129,934.70 is: 6,186,178.38
Step by Step Solution
- Step 1: Write the proportion equation
4,969,742.70 : 7,444,116.45 = 4,129,934.70 : x - Step 2: Convert to fraction form
4,969,742.70/7,444,116.45 = 4,129,934.70/x - Step 3: Cross multiply
4,969,742.70x = 7,444,116.45 × 4,129,934.70 - Step 4: Simplify right side
4,969,742.70x = 30,743,714,837,695.82 - Step 5: Solve for x
x = 30,743,714,837,695.82/4,969,742.70 - Step 6: Final answer
x = 6,186,178.38
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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.