Finding the Fourth Proportional to 2,380,542.06, 3,286,153.35 and 1,607,220.48
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Solution
The fourth proportional to 2,380,542.06, 3,286,153.35 and 1,607,220.48 is: 2,218,642.99
Step by Step Solution
- Step 1: Write the proportion equation
2,380,542.06 : 3,286,153.35 = 1,607,220.48 : x - Step 2: Convert to fraction form
2,380,542.06/3,286,153.35 = 1,607,220.48/x - Step 3: Cross multiply
2,380,542.06x = 3,286,153.35 × 1,607,220.48 - Step 4: Simplify right side
2,380,542.06x = 5,281,572,964,540.61 - Step 5: Solve for x
x = 5,281,572,964,540.61/2,380,542.06 - Step 6: Final answer
x = 2,218,642.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.