Finding the Fourth Proportional to 1,643,244.85, 2,267,452.47 and 918,002.44
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Solution
The fourth proportional to 1,643,244.85, 2,267,452.47 and 918,002.44 is: 1,266,717.43
Step by Step Solution
- Step 1: Write the proportion equation
1,643,244.85 : 2,267,452.47 = 918,002.44 : x - Step 2: Convert to fraction form
1,643,244.85/2,267,452.47 = 918,002.44/x - Step 3: Cross multiply
1,643,244.85x = 2,267,452.47 × 918,002.44 - Step 4: Simplify right side
1,643,244.85x = 2,081,526,900,044.03 - Step 5: Solve for x
x = 2,081,526,900,044.03/1,643,244.85 - Step 6: Final answer
x = 1,266,717.43
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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.