Finding the Fourth Proportional to 1,670,478.49, 2,305,261.74 and 906,532.03
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Solution
The fourth proportional to 1,670,478.49, 2,305,261.74 and 906,532.03 is: 1,251,014.97
Step by Step Solution
- Step 1: Write the proportion equation
1,670,478.49 : 2,305,261.74 = 906,532.03 : x - Step 2: Convert to fraction form
1,670,478.49/2,305,261.74 = 906,532.03/x - Step 3: Cross multiply
1,670,478.49x = 2,305,261.74 × 906,532.03 - Step 4: Simplify right side
1,670,478.49x = 2,089,793,604,843.53 - Step 5: Solve for x
x = 2,089,793,604,843.53/1,670,478.49 - Step 6: Final answer
x = 1,251,014.97
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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.