Finding the Fourth Proportional to 6,190,860.32, 8,543,387.36 and 3,474,606.40
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Solution
The fourth proportional to 6,190,860.32, 8,543,387.36 and 3,474,606.40 is: 4,794,956.90
Step by Step Solution
- Step 1: Write the proportion equation
6,190,860.32 : 8,543,387.36 = 3,474,606.40 : x - Step 2: Convert to fraction form
6,190,860.32/8,543,387.36 = 3,474,606.40/x - Step 3: Cross multiply
6,190,860.32x = 8,543,387.36 × 3,474,606.40 - Step 4: Simplify right side
6,190,860.32x = 29,684,908,398,735.10 - Step 5: Solve for x
x = 29,684,908,398,735.10/6,190,860.32 - Step 6: Final answer
x = 4,794,956.90
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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.