Finding the Fourth Proportional to 2,201,028.30, 3,301,542.45 and 1,361,220.30
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Solution
The fourth proportional to 2,201,028.30, 3,301,542.45 and 1,361,220.30 is: 2,041,830.45
Step by Step Solution
- Step 1: Write the proportion equation
2,201,028.30 : 3,301,542.45 = 1,361,220.30 : x - Step 2: Convert to fraction form
2,201,028.30/3,301,542.45 = 1,361,220.30/x - Step 3: Cross multiply
2,201,028.30x = 3,301,542.45 × 1,361,220.30 - Step 4: Simplify right side
2,201,028.30x = 4,494,126,604,251.74 - Step 5: Solve for x
x = 4,494,126,604,251.74/2,201,028.30 - Step 6: Final answer
x = 2,041,830.45
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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.