Finding the Fourth Proportional to 4,143,577.70, 6,215,731.05 and 1,265,594.24
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Solution
The fourth proportional to 4,143,577.70, 6,215,731.05 and 1,265,594.24 is: 1,898,502.69
Step by Step Solution
- Step 1: Write the proportion equation
4,143,577.70 : 6,215,731.05 = 1,265,594.24 : x - Step 2: Convert to fraction form
4,143,577.70/6,215,731.05 = 1,265,594.24/x - Step 3: Cross multiply
4,143,577.70x = 6,215,731.05 × 1,265,594.24 - Step 4: Simplify right side
4,143,577.70x = 7,866,593,414,269.15 - Step 5: Solve for x
x = 7,866,593,414,269.15/4,143,577.70 - Step 6: Final answer
x = 1,898,502.69
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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.