Finding the Fourth Proportional to 1,765,654.40, 2,436,434.52 and 991,107.74
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Solution
The fourth proportional to 1,765,654.40, 2,436,434.52 and 991,107.74 is: 1,367,634.07
Step by Step Solution
- Step 1: Write the proportion equation
1,765,654.40 : 2,436,434.52 = 991,107.74 : x - Step 2: Convert to fraction form
1,765,654.40/2,436,434.52 = 991,107.74/x - Step 3: Cross multiply
1,765,654.40x = 2,436,434.52 × 991,107.74 - Step 4: Simplify right side
1,765,654.40x = 2,414,769,113,149.62 - Step 5: Solve for x
x = 2,414,769,113,149.62/1,765,654.40 - Step 6: Final answer
x = 1,367,634.07
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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.