Finding the Fourth Proportional to 6,425,548.65, 8,867,205.41 and 3,485,358.45
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Solution
The fourth proportional to 6,425,548.65, 8,867,205.41 and 3,485,358.45 is: 4,809,766.60
Step by Step Solution
- Step 1: Write the proportion equation
6,425,548.65 : 8,867,205.41 = 3,485,358.45 : x - Step 2: Convert to fraction form
6,425,548.65/8,867,205.41 = 3,485,358.45/x - Step 3: Cross multiply
6,425,548.65x = 8,867,205.41 × 3,485,358.45 - Step 4: Simplify right side
6,425,548.65x = 30,905,389,286,202.42 - Step 5: Solve for x
x = 30,905,389,286,202.42/6,425,548.65 - Step 6: Final answer
x = 4,809,766.60
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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.