Finding the Fourth Proportional to 1,670,402.58, 2,305,155.56 and 906,456.14
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Solution
The fourth proportional to 1,670,402.58, 2,305,155.56 and 906,456.14 is: 1,250,909.48
Step by Step Solution
- Step 1: Write the proportion equation
1,670,402.58 : 2,305,155.56 = 906,456.14 : x - Step 2: Convert to fraction form
1,670,402.58/2,305,155.56 = 906,456.14/x - Step 3: Cross multiply
1,670,402.58x = 2,305,155.56 × 906,456.14 - Step 4: Simplify right side
1,670,402.58x = 2,089,522,415,185.48 - Step 5: Solve for x
x = 2,089,522,415,185.48/1,670,402.58 - Step 6: Final answer
x = 1,250,909.48
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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.