Finding the Fourth Proportional to 2,107,603.26, 3,160,123.47 and 826,675.74
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Solution
The fourth proportional to 2,107,603.26, 3,160,123.47 and 826,675.74 is: 1,239,510.99
Step by Step Solution
- Step 1: Write the proportion equation
2,107,603.26 : 3,160,123.47 = 826,675.74 : x - Step 2: Convert to fraction form
2,107,603.26/3,160,123.47 = 826,675.74/x - Step 3: Cross multiply
2,107,603.26x = 3,160,123.47 × 826,675.74 - Step 4: Simplify right side
2,107,603.26x = 2,612,397,408,053.62 - Step 5: Solve for x
x = 2,612,397,408,053.62/2,107,603.26 - Step 6: Final answer
x = 1,239,510.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.