Finding the Fourth Proportional to 1,555,184.13, 2,332,426.28 and 557,912.13
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Solution
The fourth proportional to 1,555,184.13, 2,332,426.28 and 557,912.13 is: 836,742.66
Step by Step Solution
- Step 1: Write the proportion equation
1,555,184.13 : 2,332,426.28 = 557,912.13 : x - Step 2: Convert to fraction form
1,555,184.13/2,332,426.28 = 557,912.13/x - Step 3: Cross multiply
1,555,184.13x = 2,332,426.28 × 557,912.13 - Step 4: Simplify right side
1,555,184.13x = 1,301,288,911,153.22 - Step 5: Solve for x
x = 1,301,288,911,153.22/1,555,184.13 - Step 6: Final answer
x = 836,742.66
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1.5x scale
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.