Finding the Fourth Proportional to 1,670,434.26, 2,305,205.28 and 906,487.62
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Solution
The fourth proportional to 1,670,434.26, 2,305,205.28 and 906,487.62 is: 1,250,956.17
Step by Step Solution
- Step 1: Write the proportion equation
1,670,434.26 : 2,305,205.28 = 906,487.62 : x - Step 2: Convert to fraction form
1,670,434.26/2,305,205.28 = 906,487.62/x - Step 3: Cross multiply
1,670,434.26x = 2,305,205.28 × 906,487.62 - Step 4: Simplify right side
1,670,434.26x = 2,089,640,047,878.63 - Step 5: Solve for x
x = 2,089,640,047,878.63/1,670,434.26 - Step 6: Final answer
x = 1,250,956.17
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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.