Finding the Fourth Proportional to 3,515,107.20, 5,260,219.20 and 2,395,363.20
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Solution
The fourth proportional to 3,515,107.20, 5,260,219.20 and 2,395,363.20 is: 3,584,566.50
Step by Step Solution
- Step 1: Write the proportion equation
3,515,107.20 : 5,260,219.20 = 2,395,363.20 : x - Step 2: Convert to fraction form
3,515,107.20/5,260,219.20 = 2,395,363.20/x - Step 3: Cross multiply
3,515,107.20x = 5,260,219.20 × 2,395,363.20 - Step 4: Simplify right side
3,515,107.20x = 12,600,135,495,613.44 - Step 5: Solve for x
x = 12,600,135,495,613.44/3,515,107.20 - Step 6: Final answer
x = 3,584,566.50
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1.5x scale
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.