Finding the Fourth Proportional to 1,480,882.76, 2,221,407.23 and 415,841.78
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Solution
The fourth proportional to 1,480,882.76, 2,221,407.23 and 415,841.78 is: 623,786.00
Step by Step Solution
- Step 1: Write the proportion equation
1,480,882.76 : 2,221,407.23 = 415,841.78 : x - Step 2: Convert to fraction form
1,480,882.76/2,221,407.23 = 415,841.78/x - Step 3: Cross multiply
1,480,882.76x = 2,221,407.23 × 415,841.78 - Step 4: Simplify right side
1,480,882.76x = 923,753,926,560.64 - Step 5: Solve for x
x = 923,753,926,560.64/1,480,882.76 - Step 6: Final answer
x = 623,786.00
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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.