Finding the Fourth Proportional to 1,364,879.81, 1,884,138.09 and 881,680.52
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Solution
The fourth proportional to 1,364,879.81, 1,884,138.09 and 881,680.52 is: 1,217,109.26
Step by Step Solution
- Step 1: Write the proportion equation
1,364,879.81 : 1,884,138.09 = 881,680.52 : x - Step 2: Convert to fraction form
1,364,879.81/1,884,138.09 = 881,680.52/x - Step 3: Cross multiply
1,364,879.81x = 1,884,138.09 × 881,680.52 - Step 4: Simplify right side
1,364,879.81x = 1,661,207,850,943.01 - Step 5: Solve for x
x = 1,661,207,850,943.01/1,364,879.81 - Step 6: Final answer
x = 1,217,109.26
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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.