Finding the Fourth Proportional to 6,970,729.12, 10,460,186.10 and 2,926,905.98
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Solution
The fourth proportional to 6,970,729.12, 10,460,186.10 and 2,926,905.98 is: 4,392,077.31
Step by Step Solution
- Step 1: Write the proportion equation
6,970,729.12 : 10,460,186.10 = 2,926,905.98 : x - Step 2: Convert to fraction form
6,970,729.12/10,460,186.10 = 2,926,905.98/x - Step 3: Cross multiply
6,970,729.12x = 10,460,186.10 × 2,926,905.98 - Step 4: Simplify right side
6,970,729.12x = 30,615,981,195,701.95 - Step 5: Solve for x
x = 30,615,981,195,701.95/6,970,729.12 - Step 6: Final answer
x = 4,392,077.31
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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.