Finding the Fourth Proportional to 2,164,305.04, 2,987,697.56 and 1,293,446.96
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Solution
The fourth proportional to 2,164,305.04, 2,987,697.56 and 1,293,446.96 is: 1,785,528.50
Step by Step Solution
- Step 1: Write the proportion equation
2,164,305.04 : 2,987,697.56 = 1,293,446.96 : x - Step 2: Convert to fraction form
2,164,305.04/2,987,697.56 = 1,293,446.96/x - Step 3: Cross multiply
2,164,305.04x = 2,987,697.56 × 1,293,446.96 - Step 4: Simplify right side
2,164,305.04x = 3,864,428,326,381.42 - Step 5: Solve for x
x = 3,864,428,326,381.42/2,164,305.04 - Step 6: Final answer
x = 1,785,528.50
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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.