Finding the Fourth Proportional to 2,258,286.67, 3,116,321.26 and 1,340,555.05
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Solution
The fourth proportional to 2,258,286.67, 3,116,321.26 and 1,340,555.05 is: 1,849,898.09
Step by Step Solution
- Step 1: Write the proportion equation
2,258,286.67 : 3,116,321.26 = 1,340,555.05 : x - Step 2: Convert to fraction form
2,258,286.67/3,116,321.26 = 1,340,555.05/x - Step 3: Cross multiply
2,258,286.67x = 3,116,321.26 × 1,340,555.05 - Step 4: Simplify right side
2,258,286.67x = 4,177,600,202,515.36 - Step 5: Solve for x
x = 4,177,600,202,515.36/2,258,286.67 - Step 6: Final answer
x = 1,849,898.09
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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.