Finding the Fourth Proportional to 6,442,881.93, 8,890,949.63 and 3,542,250.65
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Solution
The fourth proportional to 6,442,881.93, 8,890,949.63 and 3,542,250.65 is: 4,888,180.85
Step by Step Solution
- Step 1: Write the proportion equation
6,442,881.93 : 8,890,949.63 = 3,542,250.65 : x - Step 2: Convert to fraction form
6,442,881.93/8,890,949.63 = 3,542,250.65/x - Step 3: Cross multiply
6,442,881.93x = 8,890,949.63 × 3,542,250.65 - Step 4: Simplify right side
6,442,881.93x = 31,493,972,043,818.76 - Step 5: Solve for x
x = 31,493,972,043,818.76/6,442,881.93 - Step 6: Final answer
x = 4,888,180.85
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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.