Finding the Fourth Proportional to 1,438,219.52, 2,156,768.54 and 539,171.14
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Solution
The fourth proportional to 1,438,219.52, 2,156,768.54 and 539,171.14 is: 808,546.50
Step by Step Solution
- Step 1: Write the proportion equation
1,438,219.52 : 2,156,768.54 = 539,171.14 : x - Step 2: Convert to fraction form
1,438,219.52/2,156,768.54 = 539,171.14/x - Step 3: Cross multiply
1,438,219.52x = 2,156,768.54 × 539,171.14 - Step 4: Simplify right side
1,438,219.52x = 1,162,867,352,427.94 - Step 5: Solve for x
x = 1,162,867,352,427.94/1,438,219.52 - Step 6: Final answer
x = 808,546.50
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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.