Finding the Fourth Proportional to 1,670,394.62, 2,305,144.56 and 906,448.19
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Solution
The fourth proportional to 1,670,394.62, 2,305,144.56 and 906,448.19 is: 1,250,898.49
Step by Step Solution
- Step 1: Write the proportion equation
1,670,394.62 : 2,305,144.56 = 906,448.19 : x - Step 2: Convert to fraction form
1,670,394.62/2,305,144.56 = 906,448.19/x - Step 3: Cross multiply
1,670,394.62x = 2,305,144.56 × 906,448.19 - Step 4: Simplify right side
1,670,394.62x = 2,089,494,105,973.80 - Step 5: Solve for x
x = 2,089,494,105,973.80/1,670,394.62 - Step 6: Final answer
x = 1,250,898.49
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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.