Finding the Fourth Proportional to 1,678,128.76, 2,515,194.06 and 966,683.08
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Solution
The fourth proportional to 1,678,128.76, 2,515,194.06 and 966,683.08 is: 1,448,873.05
Step by Step Solution
- Step 1: Write the proportion equation
1,678,128.76 : 2,515,194.06 = 966,683.08 : x - Step 2: Convert to fraction form
1,678,128.76/2,515,194.06 = 966,683.08/x - Step 3: Cross multiply
1,678,128.76x = 2,515,194.06 × 966,683.08 - Step 4: Simplify right side
1,678,128.76x = 2,431,395,540,718.51 - Step 5: Solve for x
x = 2,431,395,540,718.51/1,678,128.76 - Step 6: Final answer
x = 1,448,873.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.