Finding the Fourth Proportional to 4,206,974.13, 6,311,586.12 and 1,511,323.04
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Solution
The fourth proportional to 4,206,974.13, 6,311,586.12 and 1,511,323.04 is: 2,267,388.67
Step by Step Solution
- Step 1: Write the proportion equation
4,206,974.13 : 6,311,586.12 = 1,511,323.04 : x - Step 2: Convert to fraction form
4,206,974.13/6,311,586.12 = 1,511,323.04/x - Step 3: Cross multiply
4,206,974.13x = 6,311,586.12 × 1,511,323.04 - Step 4: Simplify right side
4,206,974.13x = 9,538,845,490,542.27 - Step 5: Solve for x
x = 9,538,845,490,542.27/4,206,974.13 - Step 6: Final answer
x = 2,267,388.67
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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.