Finding the Fourth Proportional to 5,720,447.36, 8,576,510.72 and 2,686,249.76
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Solution
The fourth proportional to 5,720,447.36, 8,576,510.72 and 2,686,249.76 is: 4,027,421.01
Step by Step Solution
- Step 1: Write the proportion equation
5,720,447.36 : 8,576,510.72 = 2,686,249.76 : x - Step 2: Convert to fraction form
5,720,447.36/8,576,510.72 = 2,686,249.76/x - Step 3: Cross multiply
5,720,447.36x = 8,576,510.72 × 2,686,249.76 - Step 4: Simplify right side
5,720,447.36x = 23,038,649,863,237.43 - Step 5: Solve for x
x = 23,038,649,863,237.43/5,720,447.36 - Step 6: Final answer
x = 4,027,421.01
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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.