Finding the Fourth Proportional to 1,997,059.20, 2,995,588.80 and 667,363.20
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Solution
The fourth proportional to 1,997,059.20, 2,995,588.80 and 667,363.20 is: 1,001,044.80
Step by Step Solution
- Step 1: Write the proportion equation
1,997,059.20 : 2,995,588.80 = 667,363.20 : x - Step 2: Convert to fraction form
1,997,059.20/2,995,588.80 = 667,363.20/x - Step 3: Cross multiply
1,997,059.20x = 2,995,588.80 × 667,363.20 - Step 4: Simplify right side
1,997,059.20x = 1,999,145,727,452.16 - Step 5: Solve for x
x = 1,999,145,727,452.16/1,997,059.20 - Step 6: Final answer
x = 1,001,044.80
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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.