Finding the Fourth Proportional to 1,836,484.62, 2,753,149.24 and 638,251.26
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Solution
The fourth proportional to 1,836,484.62, 2,753,149.24 and 638,251.26 is: 956,828.58
Step by Step Solution
- Step 1: Write the proportion equation
1,836,484.62 : 2,753,149.24 = 638,251.26 : x - Step 2: Convert to fraction form
1,836,484.62/2,753,149.24 = 638,251.26/x - Step 3: Cross multiply
1,836,484.62x = 2,753,149.24 × 638,251.26 - Step 4: Simplify right side
1,836,484.62x = 1,757,200,971,398.04 - Step 5: Solve for x
x = 1,757,200,971,398.04/1,836,484.62 - Step 6: Final answer
x = 956,828.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.