Finding the Fourth Proportional to 1,670,313.84, 2,305,039.43 and 906,367.41
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Solution
The fourth proportional to 1,670,313.84, 2,305,039.43 and 906,367.41 is: 1,250,790.46
Step by Step Solution
- Step 1: Write the proportion equation
1,670,313.84 : 2,305,039.43 = 906,367.41 : x - Step 2: Convert to fraction form
1,670,313.84/2,305,039.43 = 906,367.41/x - Step 3: Cross multiply
1,670,313.84x = 2,305,039.43 × 906,367.41 - Step 4: Simplify right side
1,670,313.84x = 2,089,212,613,585.14 - Step 5: Solve for x
x = 2,089,212,613,585.14/1,670,313.84 - Step 6: Final answer
x = 1,250,790.46
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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.