Finding the Fourth Proportional to 1,623,206.28, 2,240,742.12 and 970,062.72
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Solution
The fourth proportional to 1,623,206.28, 2,240,742.12 and 970,062.72 is: 1,339,115.32
Step by Step Solution
- Step 1: Write the proportion equation
1,623,206.28 : 2,240,742.12 = 970,062.72 : x - Step 2: Convert to fraction form
1,623,206.28/2,240,742.12 = 970,062.72/x - Step 3: Cross multiply
1,623,206.28x = 2,240,742.12 × 970,062.72 - Step 4: Simplify right side
1,623,206.28x = 2,173,660,395,745.77 - Step 5: Solve for x
x = 2,173,660,395,745.77/1,623,206.28 - Step 6: Final answer
x = 1,339,115.32
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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.