Finding the Fourth Proportional to 4,162,347.55, 6,243,378.76 and 1,764,648.19
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Solution
The fourth proportional to 4,162,347.55, 6,243,378.76 and 1,764,648.19 is: 2,646,911.84
Step by Step Solution
- Step 1: Write the proportion equation
4,162,347.55 : 6,243,378.76 = 1,764,648.19 : x - Step 2: Convert to fraction form
4,162,347.55/6,243,378.76 = 1,764,648.19/x - Step 3: Cross multiply
4,162,347.55x = 6,243,378.76 × 1,764,648.19 - Step 4: Simplify right side
4,162,347.55x = 11,017,366,988,278.31 - Step 5: Solve for x
x = 11,017,366,988,278.31/4,162,347.55 - Step 6: Final answer
x = 2,646,911.84
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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.