Finding the Fourth Proportional to 2,576,764.20, 3,860,480.70 and 2,203,516.20
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Solution
The fourth proportional to 2,576,764.20, 3,860,480.70 and 2,203,516.20 is: 3,301,284.52
Step by Step Solution
- Step 1: Write the proportion equation
2,576,764.20 : 3,860,480.70 = 2,203,516.20 : x - Step 2: Convert to fraction form
2,576,764.20/3,860,480.70 = 2,203,516.20/x - Step 3: Cross multiply
2,576,764.20x = 3,860,480.70 × 2,203,516.20 - Step 4: Simplify right side
2,576,764.20x = 8,506,631,762,237.34 - Step 5: Solve for x
x = 8,506,631,762,237.34/2,576,764.20 - Step 6: Final answer
x = 3,301,284.52
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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.