Finding the Fourth Proportional to 4,152,921.70, 6,228,216.15 and 1,313,904.10
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Solution
The fourth proportional to 4,152,921.70, 6,228,216.15 and 1,313,904.10 is: 1,970,487.12
Step by Step Solution
- Step 1: Write the proportion equation
4,152,921.70 : 6,228,216.15 = 1,313,904.10 : x - Step 2: Convert to fraction form
4,152,921.70/6,228,216.15 = 1,313,904.10/x - Step 3: Cross multiply
4,152,921.70x = 6,228,216.15 × 1,313,904.10 - Step 4: Simplify right side
4,152,921.70x = 8,183,278,735,171.22 - Step 5: Solve for x
x = 8,183,278,735,171.22/4,152,921.70 - Step 6: Final answer
x = 1,970,487.12
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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.