Finding the Fourth Proportional to 6,630,811.68, 9,150,428.88 and 3,730,201.68
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Solution
The fourth proportional to 6,630,811.68, 9,150,428.88 and 3,730,201.68 is: 5,147,626.99
Step by Step Solution
- Step 1: Write the proportion equation
6,630,811.68 : 9,150,428.88 = 3,730,201.68 : x - Step 2: Convert to fraction form
6,630,811.68/9,150,428.88 = 3,730,201.68/x - Step 3: Cross multiply
6,630,811.68x = 9,150,428.88 × 3,730,201.68 - Step 4: Simplify right side
6,630,811.68x = 34,132,945,180,896.52 - Step 5: Solve for x
x = 34,132,945,180,896.52/6,630,811.68 - Step 6: Final answer
x = 5,147,626.99
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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.