Finding the Fourth Proportional to 1,587,194.26, 2,190,343.88 and 862,056.14
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Solution
The fourth proportional to 1,587,194.26, 2,190,343.88 and 862,056.14 is: 1,189,646.05
Step by Step Solution
- Step 1: Write the proportion equation
1,587,194.26 : 2,190,343.88 = 862,056.14 : x - Step 2: Convert to fraction form
1,587,194.26/2,190,343.88 = 862,056.14/x - Step 3: Cross multiply
1,587,194.26x = 2,190,343.88 × 862,056.14 - Step 4: Simplify right side
1,587,194.26x = 1,888,199,381,668.84 - Step 5: Solve for x
x = 1,888,199,381,668.84/1,587,194.26 - Step 6: Final answer
x = 1,189,646.05
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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.