Finding the Fourth Proportional to 1,555,066.24, 2,145,982.08 and 876,221.44
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Solution
The fourth proportional to 1,555,066.24, 2,145,982.08 and 876,221.44 is: 1,209,180.33
Step by Step Solution
- Step 1: Write the proportion equation
1,555,066.24 : 2,145,982.08 = 876,221.44 : x - Step 2: Convert to fraction form
1,555,066.24/2,145,982.08 = 876,221.44/x - Step 3: Cross multiply
1,555,066.24x = 2,145,982.08 × 876,221.44 - Step 4: Simplify right side
1,555,066.24x = 1,880,355,508,351.80 - Step 5: Solve for x
x = 1,880,355,508,351.80/1,555,066.24 - Step 6: Final answer
x = 1,209,180.33
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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.