Finding the Fourth Proportional to 1,670,368.97, 2,305,115.46 and 906,422.60
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Solution
The fourth proportional to 1,670,368.97, 2,305,115.46 and 906,422.60 is: 1,250,866.59
Step by Step Solution
- Step 1: Write the proportion equation
1,670,368.97 : 2,305,115.46 = 906,422.60 : x - Step 2: Convert to fraction form
1,670,368.97/2,305,115.46 = 906,422.60/x - Step 3: Cross multiply
1,670,368.97x = 2,305,115.46 × 906,422.60 - Step 4: Simplify right side
1,670,368.97x = 2,089,408,737,027.82 - Step 5: Solve for x
x = 2,089,408,737,027.82/1,670,368.97 - Step 6: Final answer
x = 1,250,866.59
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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.