Finding the Fourth Proportional to 1,729,212.40, 2,386,214.13 and 965,314.36
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Solution
The fourth proportional to 1,729,212.40, 2,386,214.13 and 965,314.36 is: 1,332,078.56
Step by Step Solution
- Step 1: Write the proportion equation
1,729,212.40 : 2,386,214.13 = 965,314.36 : x - Step 2: Convert to fraction form
1,729,212.40/2,386,214.13 = 965,314.36/x - Step 3: Cross multiply
1,729,212.40x = 2,386,214.13 × 965,314.36 - Step 4: Simplify right side
1,729,212.40x = 2,303,446,765,723.91 - Step 5: Solve for x
x = 2,303,446,765,723.91/1,729,212.40 - Step 6: Final answer
x = 1,332,078.56
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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.