Finding the Fourth Proportional to 3,851,752.52, 5,315,353.12 and 2,132,836.12
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Solution
The fourth proportional to 3,851,752.52, 5,315,353.12 and 2,132,836.12 is: 2,943,277.66
Step by Step Solution
- Step 1: Write the proportion equation
3,851,752.52 : 5,315,353.12 = 2,132,836.12 : x - Step 2: Convert to fraction form
3,851,752.52/5,315,353.12 = 2,132,836.12/x - Step 3: Cross multiply
3,851,752.52x = 5,315,353.12 × 2,132,836.12 - Step 4: Simplify right side
3,851,752.52x = 11,336,777,124,890.70 - Step 5: Solve for x
x = 11,336,777,124,890.70/3,851,752.52 - Step 6: Final answer
x = 2,943,277.66
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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.