Finding the Fourth Proportional to 2,708,638.11, 3,737,839.57 and 1,484,901.81
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Solution
The fourth proportional to 2,708,638.11, 3,737,839.57 and 1,484,901.81 is: 2,049,120.08
Step by Step Solution
- Step 1: Write the proportion equation
2,708,638.11 : 3,737,839.57 = 1,484,901.81 : x - Step 2: Convert to fraction form
2,708,638.11/3,737,839.57 = 1,484,901.81/x - Step 3: Cross multiply
2,708,638.11x = 3,737,839.57 × 1,484,901.81 - Step 4: Simplify right side
2,708,638.11x = 5,550,324,742,982.62 - Step 5: Solve for x
x = 5,550,324,742,982.62/2,708,638.11 - Step 6: Final answer
x = 2,049,120.08
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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.