Finding the Fourth Proportional to 1,515,447.28, 2,272,917.48 and 555,704.56
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Solution
The fourth proportional to 1,515,447.28, 2,272,917.48 and 555,704.56 is: 833,463.91
Step by Step Solution
- Step 1: Write the proportion equation
1,515,447.28 : 2,272,917.48 = 555,704.56 : x - Step 2: Convert to fraction form
1,515,447.28/2,272,917.48 = 555,704.56/x - Step 3: Cross multiply
1,515,447.28x = 2,272,917.48 × 555,704.56 - Step 4: Simplify right side
1,515,447.28x = 1,263,070,608,139.71 - Step 5: Solve for x
x = 1,263,070,608,139.71/1,515,447.28 - Step 6: Final answer
x = 833,463.91
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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.