Finding the Fourth Proportional to 2,196,622.80, 3,294,934.20 and 1,346,317.20
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Solution
The fourth proportional to 2,196,622.80, 3,294,934.20 and 1,346,317.20 is: 2,019,475.80
Step by Step Solution
- Step 1: Write the proportion equation
2,196,622.80 : 3,294,934.20 = 1,346,317.20 : x - Step 2: Convert to fraction form
2,196,622.80/3,294,934.20 = 1,346,317.20/x - Step 3: Cross multiply
2,196,622.80x = 3,294,934.20 × 1,346,317.20 - Step 4: Simplify right side
2,196,622.80x = 4,436,026,586,328.24 - Step 5: Solve for x
x = 4,436,026,586,328.24/2,196,622.80 - Step 6: Final answer
x = 2,019,475.80
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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.