Finding the Fourth Proportional to 3,182,344.74, 4,391,728.86 and 1,732,134.12
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Solution
The fourth proportional to 3,182,344.74, 4,391,728.86 and 1,732,134.12 is: 2,390,395.77
Step by Step Solution
- Step 1: Write the proportion equation
3,182,344.74 : 4,391,728.86 = 1,732,134.12 : x - Step 2: Convert to fraction form
3,182,344.74/4,391,728.86 = 1,732,134.12/x - Step 3: Cross multiply
3,182,344.74x = 4,391,728.86 × 1,732,134.12 - Step 4: Simplify right side
3,182,344.74x = 7,607,063,404,194.70 - Step 5: Solve for x
x = 7,607,063,404,194.70/3,182,344.74 - Step 6: Final answer
x = 2,390,395.77
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1.5x scale
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.