Finding the Fourth Proportional to 2,652,473.76, 3,979,487.03 and 855,321.09
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Solution
The fourth proportional to 2,652,473.76, 3,979,487.03 and 855,321.09 is: 1,283,231.99
Step by Step Solution
- Step 1: Write the proportion equation
2,652,473.76 : 3,979,487.03 = 855,321.09 : x - Step 2: Convert to fraction form
2,652,473.76/3,979,487.03 = 855,321.09/x - Step 3: Cross multiply
2,652,473.76x = 3,979,487.03 × 855,321.09 - Step 4: Simplify right side
2,652,473.76x = 3,403,739,179,863.86 - Step 5: Solve for x
x = 3,403,739,179,863.86/2,652,473.76 - Step 6: Final answer
x = 1,283,231.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.