Finding the Fourth Proportional to 2,030,472.20, 2,802,350.04 and 1,170,864.56
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Solution
The fourth proportional to 2,030,472.20, 2,802,350.04 and 1,170,864.56 is: 1,615,965.17
Step by Step Solution
- Step 1: Write the proportion equation
2,030,472.20 : 2,802,350.04 = 1,170,864.56 : x - Step 2: Convert to fraction form
2,030,472.20/2,802,350.04 = 1,170,864.56/x - Step 3: Cross multiply
2,030,472.20x = 2,802,350.04 × 1,170,864.56 - Step 4: Simplify right side
2,030,472.20x = 3,281,172,346,550.58 - Step 5: Solve for x
x = 3,281,172,346,550.58/2,030,472.20 - Step 6: Final answer
x = 1,615,965.17
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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.