Finding the Fourth Proportional to 4,090,500.20, 6,135,750.30 and 1,393,929.20
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Solution
The fourth proportional to 4,090,500.20, 6,135,750.30 and 1,393,929.20 is: 2,090,893.80
Step by Step Solution
- Step 1: Write the proportion equation
4,090,500.20 : 6,135,750.30 = 1,393,929.20 : x - Step 2: Convert to fraction form
4,090,500.20/6,135,750.30 = 1,393,929.20/x - Step 3: Cross multiply
4,090,500.20x = 6,135,750.30 × 1,393,929.20 - Step 4: Simplify right side
4,090,500.20x = 8,552,801,507,078.76 - Step 5: Solve for x
x = 8,552,801,507,078.76/4,090,500.20 - Step 6: Final answer
x = 2,090,893.80
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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.