Finding the Fourth Proportional to 1,418,787.12, 2,128,180.68 and 946,395.12
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Solution
The fourth proportional to 1,418,787.12, 2,128,180.68 and 946,395.12 is: 1,419,592.68
Step by Step Solution
- Step 1: Write the proportion equation
1,418,787.12 : 2,128,180.68 = 946,395.12 : x - Step 2: Convert to fraction form
1,418,787.12/2,128,180.68 = 946,395.12/x - Step 3: Cross multiply
1,418,787.12x = 2,128,180.68 × 946,395.12 - Step 4: Simplify right side
1,418,787.12x = 2,014,099,810,030.28 - Step 5: Solve for x
x = 2,014,099,810,030.28/1,418,787.12 - Step 6: Final answer
x = 1,419,592.68
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1.5x scale
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.