Finding the Fourth Proportional to 1,670,668.48, 2,305,524.18 and 906,722.38
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Solution
The fourth proportional to 1,670,668.48, 2,305,524.18 and 906,722.38 is: 1,251,277.79
Step by Step Solution
- Step 1: Write the proportion equation
1,670,668.48 : 2,305,524.18 = 906,722.38 : x - Step 2: Convert to fraction form
1,670,668.48/2,305,524.18 = 906,722.38/x - Step 3: Cross multiply
1,670,668.48x = 2,305,524.18 × 906,722.38 - Step 4: Simplify right side
1,670,668.48x = 2,090,470,371,637.15 - Step 5: Solve for x
x = 2,090,470,371,637.15/1,670,668.48 - Step 6: Final answer
x = 1,251,277.79
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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.