Finding the Fourth Proportional to 1,786,253.13, 2,465,057.21 and 970,472.97
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Solution
The fourth proportional to 1,786,253.13, 2,465,057.21 and 970,472.97 is: 1,339,267.85
Step by Step Solution
- Step 1: Write the proportion equation
1,786,253.13 : 2,465,057.21 = 970,472.97 : x - Step 2: Convert to fraction form
1,786,253.13/2,465,057.21 = 970,472.97/x - Step 3: Cross multiply
1,786,253.13x = 2,465,057.21 × 970,472.97 - Step 4: Simplify right side
1,786,253.13x = 2,392,271,386,956.25 - Step 5: Solve for x
x = 2,392,271,386,956.25/1,786,253.13 - Step 6: Final answer
x = 1,339,267.85
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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.