Finding the Fourth Proportional to 2,596,681.20, 3,895,021.80 and 2,561,251.80
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Solution
The fourth proportional to 2,596,681.20, 3,895,021.80 and 2,561,251.80 is: 3,841,877.70
Step by Step Solution
- Step 1: Write the proportion equation
2,596,681.20 : 3,895,021.80 = 2,561,251.80 : x - Step 2: Convert to fraction form
2,596,681.20/3,895,021.80 = 2,561,251.80/x - Step 3: Cross multiply
2,596,681.20x = 3,895,021.80 × 2,561,251.80 - Step 4: Simplify right side
2,596,681.20x = 9,976,131,596,289.24 - Step 5: Solve for x
x = 9,976,131,596,289.24/2,596,681.20 - Step 6: Final answer
x = 3,841,877.70
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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.