Finding the Fourth Proportional to 6,610,745.40, 9,915,534.90 and 1,818,007.80
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Solution
The fourth proportional to 6,610,745.40, 9,915,534.90 and 1,818,007.80 is: 2,726,851.32
Step by Step Solution
- Step 1: Write the proportion equation
6,610,745.40 : 9,915,534.90 = 1,818,007.80 : x - Step 2: Convert to fraction form
6,610,745.40/9,915,534.90 = 1,818,007.80/x - Step 3: Cross multiply
6,610,745.40x = 9,915,534.90 × 1,818,007.80 - Step 4: Simplify right side
6,610,745.40x = 18,026,519,789,372.22 - Step 5: Solve for x
x = 18,026,519,789,372.22/6,610,745.40 - Step 6: Final answer
x = 2,726,851.32
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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.