Finding the Fourth Proportional to 6,392,612.08, 8,821,467.30 and 3,491,961.04
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Solution
The fourth proportional to 6,392,612.08, 8,821,467.30 and 3,491,961.04 is: 4,818,721.95
Step by Step Solution
- Step 1: Write the proportion equation
6,392,612.08 : 8,821,467.30 = 3,491,961.04 : x - Step 2: Convert to fraction form
6,392,612.08/8,821,467.30 = 3,491,961.04/x - Step 3: Cross multiply
6,392,612.08x = 8,821,467.30 × 3,491,961.04 - Step 4: Simplify right side
6,392,612.08x = 30,804,220,127,234.00 - Step 5: Solve for x
x = 30,804,220,127,234.00/6,392,612.08 - Step 6: Final answer
x = 4,818,721.95
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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.