Finding the Fourth Proportional to 1,570,974.75, 2,167,945.16 and 855,582.75
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Solution
The fourth proportional to 1,570,974.75, 2,167,945.16 and 855,582.75 is: 1,180,704.20
Step by Step Solution
- Step 1: Write the proportion equation
1,570,974.75 : 2,167,945.16 = 855,582.75 : x - Step 2: Convert to fraction form
1,570,974.75/2,167,945.16 = 855,582.75/x - Step 3: Cross multiply
1,570,974.75x = 2,167,945.16 × 855,582.75 - Step 4: Simplify right side
1,570,974.75x = 1,854,856,477,564.08 - Step 5: Solve for x
x = 1,854,856,477,564.08/1,570,974.75 - Step 6: Final answer
x = 1,180,704.20
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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.