Finding the Fourth Proportional to 2,132,380.08, 2,942,677.40 and 1,165,509.84
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Solution
The fourth proportional to 2,132,380.08, 2,942,677.40 and 1,165,509.84 is: 1,608,399.69
Step by Step Solution
- Step 1: Write the proportion equation
2,132,380.08 : 2,942,677.40 = 1,165,509.84 : x - Step 2: Convert to fraction form
2,132,380.08/2,942,677.40 = 1,165,509.84/x - Step 3: Cross multiply
2,132,380.08x = 2,942,677.40 × 1,165,509.84 - Step 4: Simplify right side
2,132,380.08x = 3,429,719,465,645.62 - Step 5: Solve for x
x = 3,429,719,465,645.62/2,132,380.08 - Step 6: Final answer
x = 1,608,399.69
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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.