Finding the Fourth Proportional to 2,438,619.28, 3,366,177.96 and 1,985,122.96
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Solution
The fourth proportional to 2,438,619.28, 3,366,177.96 and 1,985,122.96 is: 2,740,188.77
Step by Step Solution
- Step 1: Write the proportion equation
2,438,619.28 : 3,366,177.96 = 1,985,122.96 : x - Step 2: Convert to fraction form
2,438,619.28/3,366,177.96 = 1,985,122.96/x - Step 3: Cross multiply
2,438,619.28x = 3,366,177.96 × 1,985,122.96 - Step 4: Simplify right side
2,438,619.28x = 6,682,277,155,841.96 - Step 5: Solve for x
x = 6,682,277,155,841.96/2,438,619.28 - Step 6: Final answer
x = 2,740,188.77
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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.