Finding the Fourth Proportional to 1,560,226.80, 2,340,340.20 and 438,295.80
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Solution
The fourth proportional to 1,560,226.80, 2,340,340.20 and 438,295.80 is: 657,443.70
Step by Step Solution
- Step 1: Write the proportion equation
1,560,226.80 : 2,340,340.20 = 438,295.80 : x - Step 2: Convert to fraction form
1,560,226.80/2,340,340.20 = 438,295.80/x - Step 3: Cross multiply
1,560,226.80x = 2,340,340.20 × 438,295.80 - Step 4: Simplify right side
1,560,226.80x = 1,025,761,280,231.16 - Step 5: Solve for x
x = 1,025,761,280,231.16/1,560,226.80 - Step 6: Final answer
x = 657,443.70
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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.