Finding the Fourth Proportional to 1,589,419.55, 2,193,410.40 and 864,262.08
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Solution
The fourth proportional to 1,589,419.55, 2,193,410.40 and 864,262.08 is: 1,192,687.87
Step by Step Solution
- Step 1: Write the proportion equation
1,589,419.55 : 2,193,410.40 = 864,262.08 : x - Step 2: Convert to fraction form
1,589,419.55/2,193,410.40 = 864,262.08/x - Step 3: Cross multiply
1,589,419.55x = 2,193,410.40 × 864,262.08 - Step 4: Simplify right side
1,589,419.55x = 1,895,681,423,131.36 - Step 5: Solve for x
x = 1,895,681,423,131.36/1,589,419.55 - Step 6: Final answer
x = 1,192,687.87
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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.