Finding the Fourth Proportional to 1,867,508.75, 2,577,167.42 and 1,082,727.18
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Solution
The fourth proportional to 1,867,508.75, 2,577,167.42 and 1,082,727.18 is: 1,494,166.61
Step by Step Solution
- Step 1: Write the proportion equation
1,867,508.75 : 2,577,167.42 = 1,082,727.18 : x - Step 2: Convert to fraction form
1,867,508.75/2,577,167.42 = 1,082,727.18/x - Step 3: Cross multiply
1,867,508.75x = 2,577,167.42 × 1,082,727.18 - Step 4: Simplify right side
1,867,508.75x = 2,790,369,221,355.44 - Step 5: Solve for x
x = 2,790,369,221,355.44/1,867,508.75 - Step 6: Final answer
x = 1,494,166.61
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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.