Finding the Fourth Proportional to 1,609,138.98, 2,413,708.47 and 411,063.93
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Solution
The fourth proportional to 1,609,138.98, 2,413,708.47 and 411,063.93 is: 616,595.90
Step by Step Solution
- Step 1: Write the proportion equation
1,609,138.98 : 2,413,708.47 = 411,063.93 : x - Step 2: Convert to fraction form
1,609,138.98/2,413,708.47 = 411,063.93/x - Step 3: Cross multiply
1,609,138.98x = 2,413,708.47 × 411,063.93 - Step 4: Simplify right side
1,609,138.98x = 992,188,489,552.49 - Step 5: Solve for x
x = 992,188,489,552.49/1,609,138.98 - Step 6: Final answer
x = 616,595.90
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Similar ratio
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1.5x scale
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.