Finding the Fourth Proportional to 2,031,568.11, 2,803,586.82 and 1,160,518.14
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Solution
The fourth proportional to 2,031,568.11, 2,803,586.82 and 1,160,518.14 is: 1,601,528.07
Step by Step Solution
- Step 1: Write the proportion equation
2,031,568.11 : 2,803,586.82 = 1,160,518.14 : x - Step 2: Convert to fraction form
2,031,568.11/2,803,586.82 = 1,160,518.14/x - Step 3: Cross multiply
2,031,568.11x = 2,803,586.82 × 1,160,518.14 - Step 4: Simplify right side
2,031,568.11x = 3,253,613,361,674.91 - Step 5: Solve for x
x = 3,253,613,361,674.91/2,031,568.11 - Step 6: Final answer
x = 1,601,528.07
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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.