Finding the Fourth Proportional to 1,538,134.64, 2,307,202.20 and 1,006,103.24
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Solution
The fourth proportional to 1,538,134.64, 2,307,202.20 and 1,006,103.24 is: 1,509,155.02
Step by Step Solution
- Step 1: Write the proportion equation
1,538,134.64 : 2,307,202.20 = 1,006,103.24 : x - Step 2: Convert to fraction form
1,538,134.64/2,307,202.20 = 1,006,103.24/x - Step 3: Cross multiply
1,538,134.64x = 2,307,202.20 × 1,006,103.24 - Step 4: Simplify right side
1,538,134.64x = 2,321,283,608,755.13 - Step 5: Solve for x
x = 2,321,283,608,755.13/1,538,134.64 - Step 6: Final answer
x = 1,509,155.02
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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.