Finding the Fourth Proportional to 2,790,216.18, 3,850,247.25 and 1,628,763.24
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Solution
The fourth proportional to 2,790,216.18, 3,850,247.25 and 1,628,763.24 is: 2,247,546.71
Step by Step Solution
- Step 1: Write the proportion equation
2,790,216.18 : 3,850,247.25 = 1,628,763.24 : x - Step 2: Convert to fraction form
2,790,216.18/3,850,247.25 = 1,628,763.24/x - Step 3: Cross multiply
2,790,216.18x = 3,850,247.25 × 1,628,763.24 - Step 4: Simplify right side
2,790,216.18x = 6,271,141,185,711.09 - Step 5: Solve for x
x = 6,271,141,185,711.09/2,790,216.18 - Step 6: Final answer
x = 2,247,546.71
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1.5x scale
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.