Finding the Fourth Proportional to 1,631,117.43, 2,250,879.42 and 906,011.49
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Solution
The fourth proportional to 1,631,117.43, 2,250,879.42 and 906,011.49 is: 1,250,261.07
Step by Step Solution
- Step 1: Write the proportion equation
1,631,117.43 : 2,250,879.42 = 906,011.49 : x - Step 2: Convert to fraction form
1,631,117.43/2,250,879.42 = 906,011.49/x - Step 3: Cross multiply
1,631,117.43x = 2,250,879.42 × 906,011.49 - Step 4: Simplify right side
1,631,117.43x = 2,039,322,617,124.54 - Step 5: Solve for x
x = 2,039,322,617,124.54/1,631,117.43 - Step 6: Final answer
x = 1,250,261.07
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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.