Finding the Fourth Proportional to 4,993,687.28, 6,889,327.70 and 2,900,173.35
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Solution
The fourth proportional to 4,993,687.28, 6,889,327.70 and 2,900,173.35 is: 4,001,100.49
Step by Step Solution
- Step 1: Write the proportion equation
4,993,687.28 : 6,889,327.70 = 2,900,173.35 : x - Step 2: Convert to fraction form
4,993,687.28/6,889,327.70 = 2,900,173.35/x - Step 3: Cross multiply
4,993,687.28x = 6,889,327.70 × 2,900,173.35 - Step 4: Simplify right side
4,993,687.28x = 19,980,244,580,455.93 - Step 5: Solve for x
x = 19,980,244,580,455.93/4,993,687.28 - Step 6: Final answer
x = 4,001,100.49
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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.