Finding the Fourth Proportional to 1,555,519.08, 2,146,603.50 and 867,182.70
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Solution
The fourth proportional to 1,555,519.08, 2,146,603.50 and 867,182.70 is: 1,196,704.97
Step by Step Solution
- Step 1: Write the proportion equation
1,555,519.08 : 2,146,603.50 = 867,182.70 : x - Step 2: Convert to fraction form
1,555,519.08/2,146,603.50 = 867,182.70/x - Step 3: Cross multiply
1,555,519.08x = 2,146,603.50 × 867,182.70 - Step 4: Simplify right side
1,555,519.08x = 1,861,497,418,959.45 - Step 5: Solve for x
x = 1,861,497,418,959.45/1,555,519.08 - Step 6: Final answer
x = 1,196,704.97
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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.