Finding the Fourth Proportional to 3,385,163.81, 4,671,525.99 and 1,934,890.37
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Solution
The fourth proportional to 3,385,163.81, 4,671,525.99 and 1,934,890.37 is: 2,670,148.67
Step by Step Solution
- Step 1: Write the proportion equation
3,385,163.81 : 4,671,525.99 = 1,934,890.37 : x - Step 2: Convert to fraction form
3,385,163.81/4,671,525.99 = 1,934,890.37/x - Step 3: Cross multiply
3,385,163.81x = 4,671,525.99 × 1,934,890.37 - Step 4: Simplify right side
3,385,163.81x = 9,038,890,652,672.15 - Step 5: Solve for x
x = 9,038,890,652,672.15/3,385,163.81 - Step 6: Final answer
x = 2,670,148.67
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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.