Finding the Fourth Proportional to 6,620,167.64, 9,930,236.88 and 1,762,475.60
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Solution
The fourth proportional to 6,620,167.64, 9,930,236.88 and 1,762,475.60 is: 2,643,709.52
Step by Step Solution
- Step 1: Write the proportion equation
6,620,167.64 : 9,930,236.88 = 1,762,475.60 : x - Step 2: Convert to fraction form
6,620,167.64/9,930,236.88 = 1,762,475.60/x - Step 3: Cross multiply
6,620,167.64x = 9,930,236.88 × 1,762,475.60 - Step 4: Simplify right side
6,620,167.64x = 17,501,800,203,220.13 - Step 5: Solve for x
x = 17,501,800,203,220.13/6,620,167.64 - Step 6: Final answer
x = 2,643,709.52
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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.