Finding the Fourth Proportional to 1,555,135.16, 2,332,352.79 and 557,863.16
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Solution
The fourth proportional to 1,555,135.16, 2,332,352.79 and 557,863.16 is: 836,669.20
Step by Step Solution
- Step 1: Write the proportion equation
1,555,135.16 : 2,332,352.79 = 557,863.16 : x - Step 2: Convert to fraction form
1,555,135.16/2,332,352.79 = 557,863.16/x - Step 3: Cross multiply
1,555,135.16x = 2,332,352.79 × 557,863.16 - Step 4: Simplify right side
1,555,135.16x = 1,301,133,686,002.45 - Step 5: Solve for x
x = 1,301,133,686,002.45/1,555,135.16 - Step 6: Final answer
x = 836,669.20
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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.