Finding the Fourth Proportional to 2,217,728.70, 3,321,927.45 and 1,844,480.70
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Solution
The fourth proportional to 2,217,728.70, 3,321,927.45 and 1,844,480.70 is: 2,762,840.68
Step by Step Solution
- Step 1: Write the proportion equation
2,217,728.70 : 3,321,927.45 = 1,844,480.70 : x - Step 2: Convert to fraction form
2,217,728.70/3,321,927.45 = 1,844,480.70/x - Step 3: Cross multiply
2,217,728.70x = 3,321,927.45 × 1,844,480.70 - Step 4: Simplify right side
2,217,728.70x = 6,127,231,068,325.22 - Step 5: Solve for x
x = 6,127,231,068,325.22/2,217,728.70 - Step 6: Final answer
x = 2,762,840.68
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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.