Finding the Fourth Proportional to 4,313,115.40, 6,472,005.90 and 1,789,025.80
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Solution
The fourth proportional to 4,313,115.40, 6,472,005.90 and 1,789,025.80 is: 2,684,506.32
Step by Step Solution
- Step 1: Write the proportion equation
4,313,115.40 : 6,472,005.90 = 1,789,025.80 : x - Step 2: Convert to fraction form
4,313,115.40/6,472,005.90 = 1,789,025.80/x - Step 3: Cross multiply
4,313,115.40x = 6,472,005.90 × 1,789,025.80 - Step 4: Simplify right side
4,313,115.40x = 11,578,585,532,852.22 - Step 5: Solve for x
x = 11,578,585,532,852.22/4,313,115.40 - Step 6: Final answer
x = 2,684,506.32
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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.