Finding the Fourth Proportional to 2,265,115.77, 3,125,860.21 and 1,246,520.52
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Solution
The fourth proportional to 2,265,115.77, 3,125,860.21 and 1,246,520.52 is: 1,720,198.56
Step by Step Solution
- Step 1: Write the proportion equation
2,265,115.77 : 3,125,860.21 = 1,246,520.52 : x - Step 2: Convert to fraction form
2,265,115.77/3,125,860.21 = 1,246,520.52/x - Step 3: Cross multiply
2,265,115.77x = 3,125,860.21 × 1,246,520.52 - Step 4: Simplify right side
2,265,115.77x = 3,896,448,900,684.96 - Step 5: Solve for x
x = 3,896,448,900,684.96/2,265,115.77 - Step 6: Final answer
x = 1,720,198.56
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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.