Finding the Fourth Proportional to 2,554,987.79, 3,830,589.92 and 1,543,872.99
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Solution
The fourth proportional to 2,554,987.79, 3,830,589.92 and 1,543,872.99 is: 2,314,666.37
Step by Step Solution
- Step 1: Write the proportion equation
2,554,987.79 : 3,830,589.92 = 1,543,872.99 : x - Step 2: Convert to fraction form
2,554,987.79/3,830,589.92 = 1,543,872.99/x - Step 3: Cross multiply
2,554,987.79x = 3,830,589.92 × 1,543,872.99 - Step 4: Simplify right side
2,554,987.79x = 5,913,944,305,534.90 - Step 5: Solve for x
x = 5,913,944,305,534.90/2,554,987.79 - Step 6: Final answer
x = 2,314,666.37
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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.