Finding the Fourth Proportional to 6,320,703.08, 8,722,504.82 and 3,420,029.96
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Solution
The fourth proportional to 6,320,703.08, 8,722,504.82 and 3,420,029.96 is: 4,719,605.94
Step by Step Solution
- Step 1: Write the proportion equation
6,320,703.08 : 8,722,504.82 = 3,420,029.96 : x - Step 2: Convert to fraction form
6,320,703.08/8,722,504.82 = 3,420,029.96/x - Step 3: Cross multiply
6,320,703.08x = 8,722,504.82 × 3,420,029.96 - Step 4: Simplify right side
6,320,703.08x = 29,831,227,810,644.41 - Step 5: Solve for x
x = 29,831,227,810,644.41/6,320,703.08 - Step 6: Final answer
x = 4,719,605.94
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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.