Finding the Fourth Proportional to 1,612,138.07, 2,224,785 and 886,987.88
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Solution
The fourth proportional to 1,612,138.07, 2,224,785 and 886,987.88 is: 1,224,062.23
Step by Step Solution
- Step 1: Write the proportion equation
1,612,138.07 : 2,224,785 = 886,987.88 : x - Step 2: Convert to fraction form
1,612,138.07/2,224,785 = 886,987.88/x - Step 3: Cross multiply
1,612,138.07x = 2,224,785 × 886,987.88 - Step 4: Simplify right side
1,612,138.07x = 1,973,357,319,481.88 - Step 5: Solve for x
x = 1,973,357,319,481.88/1,612,138.07 - Step 6: Final answer
x = 1,224,062.23
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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.