Finding the Fourth Proportional to 6,179,486.40, 9,269,920.80 and 1,919,620.80
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Solution
The fourth proportional to 6,179,486.40, 9,269,920.80 and 1,919,620.80 is: 2,879,645.92
Step by Step Solution
- Step 1: Write the proportion equation
6,179,486.40 : 9,269,920.80 = 1,919,620.80 : x - Step 2: Convert to fraction form
6,179,486.40/9,269,920.80 = 1,919,620.80/x - Step 3: Cross multiply
6,179,486.40x = 9,269,920.80 × 1,919,620.80 - Step 4: Simplify right side
6,179,486.40x = 17,794,732,782,032.64 - Step 5: Solve for x
x = 17,794,732,782,032.64/6,179,486.40 - Step 6: Final answer
x = 2,879,645.92
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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.