Finding the Fourth Proportional to 2,378,797.38, 3,282,743.62 and 1,291,068.97
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Solution
The fourth proportional to 2,378,797.38, 3,282,743.62 and 1,291,068.97 is: 1,781,676.93
Step by Step Solution
- Step 1: Write the proportion equation
2,378,797.38 : 3,282,743.62 = 1,291,068.97 : x - Step 2: Convert to fraction form
2,378,797.38/3,282,743.62 = 1,291,068.97/x - Step 3: Cross multiply
2,378,797.38x = 3,282,743.62 × 1,291,068.97 - Step 4: Simplify right side
2,378,797.38x = 4,238,248,419,268.29 - Step 5: Solve for x
x = 4,238,248,419,268.29/2,378,797.38 - Step 6: Final answer
x = 1,781,676.93
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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.