Finding the Fourth Proportional to 3,617,219.62, 4,991,743.37 and 1,985,654.75
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Solution
The fourth proportional to 3,617,219.62, 4,991,743.37 and 1,985,654.75 is: 2,740,192.73
Step by Step Solution
- Step 1: Write the proportion equation
3,617,219.62 : 4,991,743.37 = 1,985,654.75 : x - Step 2: Convert to fraction form
3,617,219.62/4,991,743.37 = 1,985,654.75/x - Step 3: Cross multiply
3,617,219.62x = 4,991,743.37 × 1,985,654.75 - Step 4: Simplify right side
3,617,219.62x = 9,911,878,898,534.52 - Step 5: Solve for x
x = 9,911,878,898,534.52/3,617,219.62 - Step 6: Final answer
x = 2,740,192.73
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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.