Finding the Fourth Proportional to 5,258,358.80, 7,887,538.20 and 3,368,790.80
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Solution
The fourth proportional to 5,258,358.80, 7,887,538.20 and 3,368,790.80 is: 5,053,186.20
Step by Step Solution
- Step 1: Write the proportion equation
5,258,358.80 : 7,887,538.20 = 3,368,790.80 : x - Step 2: Convert to fraction form
5,258,358.80/7,887,538.20 = 3,368,790.80/x - Step 3: Cross multiply
5,258,358.80x = 7,887,538.20 × 3,368,790.80 - Step 4: Simplify right side
5,258,358.80x = 26,571,466,122,808.56 - Step 5: Solve for x
x = 26,571,466,122,808.56/5,258,358.80 - Step 6: Final answer
x = 5,053,186.20
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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.