Finding the Fourth Proportional to 1,670,420.64, 2,305,186.55 and 906,474
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Solution
The fourth proportional to 1,670,420.64, 2,305,186.55 and 906,474 is: 1,250,937.41
Step by Step Solution
- Step 1: Write the proportion equation
1,670,420.64 : 2,305,186.55 = 906,474 : x - Step 2: Convert to fraction form
1,670,420.64/2,305,186.55 = 906,474/x - Step 3: Cross multiply
1,670,420.64x = 2,305,186.55 × 906,474 - Step 4: Simplify right side
1,670,420.64x = 2,089,591,668,192.33 - Step 5: Solve for x
x = 2,089,591,668,192.33/1,670,420.64 - Step 6: Final answer
x = 1,250,937.41
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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.