Finding the Fourth Proportional to 4,676,764.08, 6,454,478.97 and 3,890,440.92
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Solution
The fourth proportional to 4,676,764.08, 6,454,478.97 and 3,890,440.92 is: 5,369,261.45
Step by Step Solution
- Step 1: Write the proportion equation
4,676,764.08 : 6,454,478.97 = 3,890,440.92 : x - Step 2: Convert to fraction form
4,676,764.08/6,454,478.97 = 3,890,440.92/x - Step 3: Cross multiply
4,676,764.08x = 6,454,478.97 × 3,890,440.92 - Step 4: Simplify right side
4,676,764.08x = 25,110,769,102,167.45 - Step 5: Solve for x
x = 25,110,769,102,167.45/4,676,764.08 - Step 6: Final answer
x = 5,369,261.45
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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.