Finding the Fourth Proportional to 1,589,418.55, 2,193,409.02 and 864,261.08
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Solution
The fourth proportional to 1,589,418.55, 2,193,409.02 and 864,261.08 is: 1,192,686.50
Step by Step Solution
- Step 1: Write the proportion equation
1,589,418.55 : 2,193,409.02 = 864,261.08 : x - Step 2: Convert to fraction form
1,589,418.55/2,193,409.02 = 864,261.08/x - Step 3: Cross multiply
1,589,418.55x = 2,193,409.02 × 864,261.08 - Step 4: Simplify right side
1,589,418.55x = 1,895,678,048,506.94 - Step 5: Solve for x
x = 1,895,678,048,506.94/1,589,418.55 - Step 6: Final answer
x = 1,192,686.50
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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.