Finding the Fourth Proportional to 2,864,459.24, 3,952,992.90 and 1,640,764.09
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Solution
The fourth proportional to 2,864,459.24, 3,952,992.90 and 1,640,764.09 is: 2,264,276.87
Step by Step Solution
- Step 1: Write the proportion equation
2,864,459.24 : 3,952,992.90 = 1,640,764.09 : x - Step 2: Convert to fraction form
2,864,459.24/3,952,992.90 = 1,640,764.09/x - Step 3: Cross multiply
2,864,459.24x = 3,952,992.90 × 1,640,764.09 - Step 4: Simplify right side
2,864,459.24x = 6,485,928,809,439.07 - Step 5: Solve for x
x = 6,485,928,809,439.07/2,864,459.24 - Step 6: Final answer
x = 2,264,276.87
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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.