Finding the Fourth Proportional to 4,313,690.40, 6,468,202.80 and 1,789,600.80
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Solution
The fourth proportional to 4,313,690.40, 6,468,202.80 and 1,789,600.80 is: 2,683,433.40
Step by Step Solution
- Step 1: Write the proportion equation
4,313,690.40 : 6,468,202.80 = 1,789,600.80 : x - Step 2: Convert to fraction form
4,313,690.40/6,468,202.80 = 1,789,600.80/x - Step 3: Cross multiply
4,313,690.40x = 6,468,202.80 × 1,789,600.80 - Step 4: Simplify right side
4,313,690.40x = 11,575,500,905,442.24 - Step 5: Solve for x
x = 11,575,500,905,442.24/4,313,690.40 - Step 6: Final answer
x = 2,683,433.40
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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.