Finding the Fourth Proportional to 4,818,270.75, 6,650,702.32 and 3,099,391.41
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Solution
The fourth proportional to 4,818,270.75, 6,650,702.32 and 3,099,391.41 is: 4,278,117.76
Step by Step Solution
- Step 1: Write the proportion equation
4,818,270.75 : 6,650,702.32 = 3,099,391.41 : x - Step 2: Convert to fraction form
4,818,270.75/6,650,702.32 = 3,099,391.41/x - Step 3: Cross multiply
4,818,270.75x = 6,650,702.32 × 3,099,391.41 - Step 4: Simplify right side
4,818,270.75x = 20,613,129,669,889.44 - Step 5: Solve for x
x = 20,613,129,669,889.44/4,818,270.75 - Step 6: Final answer
x = 4,278,117.76
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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.