Finding the Fourth Proportional to 3,215,739.29, 4,437,727.76 and 1,765,528.11
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Solution
The fourth proportional to 3,215,739.29, 4,437,727.76 and 1,765,528.11 is: 2,436,432.94
Step by Step Solution
- Step 1: Write the proportion equation
3,215,739.29 : 4,437,727.76 = 1,765,528.11 : x - Step 2: Convert to fraction form
3,215,739.29/4,437,727.76 = 1,765,528.11/x - Step 3: Cross multiply
3,215,739.29x = 4,437,727.76 × 1,765,528.11 - Step 4: Simplify right side
3,215,739.29x = 7,834,933,109,221.15 - Step 5: Solve for x
x = 7,834,933,109,221.15/3,215,739.29 - Step 6: Final answer
x = 2,436,432.94
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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.