Finding the Fourth Proportional to 3,087,135.83, 4,258,890.41 and 1,862,758.46
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Solution
The fourth proportional to 3,087,135.83, 4,258,890.41 and 1,862,758.46 is: 2,569,787.84
Step by Step Solution
- Step 1: Write the proportion equation
3,087,135.83 : 4,258,890.41 = 1,862,758.46 : x - Step 2: Convert to fraction form
3,087,135.83/4,258,890.41 = 1,862,758.46/x - Step 3: Cross multiply
3,087,135.83x = 4,258,890.41 × 1,862,758.46 - Step 4: Simplify right side
3,087,135.83x = 7,933,284,110,832.13 - Step 5: Solve for x
x = 7,933,284,110,832.13/3,087,135.83 - Step 6: Final answer
x = 2,569,787.84
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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.