Finding the Fourth Proportional to 3,575,358.20, 5,363,037.30 and 3,183,447.80
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Solution
The fourth proportional to 3,575,358.20, 5,363,037.30 and 3,183,447.80 is: 4,775,171.70
Step by Step Solution
- Step 1: Write the proportion equation
3,575,358.20 : 5,363,037.30 = 3,183,447.80 : x - Step 2: Convert to fraction form
3,575,358.20/5,363,037.30 = 3,183,447.80/x - Step 3: Cross multiply
3,575,358.20x = 5,363,037.30 × 3,183,447.80 - Step 4: Simplify right side
3,575,358.20x = 17,072,949,294,002.94 - Step 5: Solve for x
x = 17,072,949,294,002.94/3,575,358.20 - Step 6: Final answer
x = 4,775,171.70
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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.