Finding the Fourth Proportional to 5,256,634.80, 7,887,576.60 and 2,983,904.40
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Solution
The fourth proportional to 5,256,634.80, 7,887,576.60 and 2,983,904.40 is: 4,477,346.33
Step by Step Solution
- Step 1: Write the proportion equation
5,256,634.80 : 7,887,576.60 = 2,983,904.40 : x - Step 2: Convert to fraction form
5,256,634.80/7,887,576.60 = 2,983,904.40/x - Step 3: Cross multiply
5,256,634.80x = 7,887,576.60 × 2,983,904.40 - Step 4: Simplify right side
5,256,634.80x = 23,535,774,522,077.04 - Step 5: Solve for x
x = 23,535,774,522,077.04/5,256,634.80 - Step 6: Final answer
x = 4,477,346.33
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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.