Finding the Fourth Proportional to 2,912,726.58, 4,021,286.76 and 2,589,544.02
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Solution
The fourth proportional to 2,912,726.58, 4,021,286.76 and 2,589,544.02 is: 3,575,103.53
Step by Step Solution
- Step 1: Write the proportion equation
2,912,726.58 : 4,021,286.76 = 2,589,544.02 : x - Step 2: Convert to fraction form
2,912,726.58/4,021,286.76 = 2,589,544.02/x - Step 3: Cross multiply
2,912,726.58x = 4,021,286.76 × 2,589,544.02 - Step 4: Simplify right side
2,912,726.58x = 10,413,299,082,063.17 - Step 5: Solve for x
x = 10,413,299,082,063.17/2,912,726.58 - Step 6: Final answer
x = 3,575,103.53
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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.