Finding the Fourth Proportional to 1,720,221.49, 2,373,966.57 and 945,911.26
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Solution
The fourth proportional to 1,720,221.49, 2,373,966.57 and 945,911.26 is: 1,305,391.03
Step by Step Solution
- Step 1: Write the proportion equation
1,720,221.49 : 2,373,966.57 = 945,911.26 : x - Step 2: Convert to fraction form
1,720,221.49/2,373,966.57 = 945,911.26/x - Step 3: Cross multiply
1,720,221.49x = 2,373,966.57 × 945,911.26 - Step 4: Simplify right side
1,720,221.49x = 2,245,561,709,426.58 - Step 5: Solve for x
x = 2,245,561,709,426.58/1,720,221.49 - Step 6: Final answer
x = 1,305,391.03
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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.