Finding the Fourth Proportional to 5,507,508.97, 8,261,261.94 and 1,720,991.86
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Solution
The fourth proportional to 5,507,508.97, 8,261,261.94 and 1,720,991.86 is: 2,581,487.32
Step by Step Solution
- Step 1: Write the proportion equation
5,507,508.97 : 8,261,261.94 = 1,720,991.86 : x - Step 2: Convert to fraction form
5,507,508.97/8,261,261.94 = 1,720,991.86/x - Step 3: Cross multiply
5,507,508.97x = 8,261,261.94 × 1,720,991.86 - Step 4: Simplify right side
5,507,508.97x = 14,217,564,552,067.81 - Step 5: Solve for x
x = 14,217,564,552,067.81/5,507,508.97 - Step 6: Final answer
x = 2,581,487.32
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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.