Finding the Fourth Proportional to 2,320,438.07, 3,202,156.26 and 1,287,885.26
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Solution
The fourth proportional to 2,320,438.07, 3,202,156.26 and 1,287,885.26 is: 1,777,254.86
Step by Step Solution
- Step 1: Write the proportion equation
2,320,438.07 : 3,202,156.26 = 1,287,885.26 : x - Step 2: Convert to fraction form
2,320,438.07/3,202,156.26 = 1,287,885.26/x - Step 3: Cross multiply
2,320,438.07x = 3,202,156.26 × 1,287,885.26 - Step 4: Simplify right side
2,320,438.07x = 4,124,009,847,470.73 - Step 5: Solve for x
x = 4,124,009,847,470.73/2,320,438.07 - Step 6: Final answer
x = 1,777,254.86
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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.