Finding the Fourth Proportional to 3,301,621.70, 4,949,552.55 and 1,281,244.10
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Solution
The fourth proportional to 3,301,621.70, 4,949,552.55 and 1,281,244.10 is: 1,920,748.52
Step by Step Solution
- Step 1: Write the proportion equation
3,301,621.70 : 4,949,552.55 = 1,281,244.10 : x - Step 2: Convert to fraction form
3,301,621.70/4,949,552.55 = 1,281,244.10/x - Step 3: Cross multiply
3,301,621.70x = 4,949,552.55 × 1,281,244.10 - Step 4: Simplify right side
3,301,621.70x = 6,341,585,002,327.46 - Step 5: Solve for x
x = 6,341,585,002,327.46/3,301,621.70 - Step 6: Final answer
x = 1,920,748.52
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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.