Finding the Fourth Proportional to 6,242,896.08, 8,614,026.84 and 3,949,442.64
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Solution
The fourth proportional to 6,242,896.08, 8,614,026.84 and 3,949,442.64 is: 5,449,490.82
Step by Step Solution
- Step 1: Write the proportion equation
6,242,896.08 : 8,614,026.84 = 3,949,442.64 : x - Step 2: Convert to fraction form
6,242,896.08/8,614,026.84 = 3,949,442.64/x - Step 3: Cross multiply
6,242,896.08x = 8,614,026.84 × 3,949,442.64 - Step 4: Simplify right side
6,242,896.08x = 34,020,604,904,000.46 - Step 5: Solve for x
x = 34,020,604,904,000.46/6,242,896.08 - Step 6: Final answer
x = 5,449,490.82
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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.