Finding the Fourth Proportional to 2,476,515.11, 3,416,143.10 and 1,557,288.95
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Solution
The fourth proportional to 2,476,515.11, 3,416,143.10 and 1,557,288.95 is: 2,148,148.37
Step by Step Solution
- Step 1: Write the proportion equation
2,476,515.11 : 3,416,143.10 = 1,557,288.95 : x - Step 2: Convert to fraction form
2,476,515.11/3,416,143.10 = 1,557,288.95/x - Step 3: Cross multiply
2,476,515.11x = 3,416,143.10 × 1,557,288.95 - Step 4: Simplify right side
2,476,515.11x = 5,319,921,876,381.59 - Step 5: Solve for x
x = 5,319,921,876,381.59/2,476,515.11 - Step 6: Final answer
x = 2,148,148.37
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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.