Finding the Fourth Proportional to 1,670,358.72, 2,305,101.24 and 906,412.44
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Solution
The fourth proportional to 1,670,358.72, 2,305,101.24 and 906,412.44 is: 1,250,852.54
Step by Step Solution
- Step 1: Write the proportion equation
1,670,358.72 : 2,305,101.24 = 906,412.44 : x - Step 2: Convert to fraction form
1,670,358.72/2,305,101.24 = 906,412.44/x - Step 3: Cross multiply
1,670,358.72x = 2,305,101.24 × 906,412.44 - Step 4: Simplify right side
1,670,358.72x = 2,089,372,439,395.43 - Step 5: Solve for x
x = 2,089,372,439,395.43/1,670,358.72 - Step 6: Final answer
x = 1,250,852.54
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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.