Finding the Fourth Proportional to 1,670,349.48, 2,305,088.46 and 906,402.84
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Solution
The fourth proportional to 1,670,349.48, 2,305,088.46 and 906,402.84 is: 1,250,839.27
Step by Step Solution
- Step 1: Write the proportion equation
1,670,349.48 : 2,305,088.46 = 906,402.84 : x - Step 2: Convert to fraction form
1,670,349.48/2,305,088.46 = 906,402.84/x - Step 3: Cross multiply
1,670,349.48x = 2,305,088.46 × 906,402.84 - Step 4: Simplify right side
1,670,349.48x = 2,089,338,726,595.23 - Step 5: Solve for x
x = 2,089,338,726,595.23/1,670,349.48 - Step 6: Final answer
x = 1,250,839.27
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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.