Finding the Fourth Proportional to 6,505,595.87, 8,977,775.04 and 3,605,035.19
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Solution
The fourth proportional to 6,505,595.87, 8,977,775.04 and 3,605,035.19 is: 4,974,977.79
Step by Step Solution
- Step 1: Write the proportion equation
6,505,595.87 : 8,977,775.04 = 3,605,035.19 : x - Step 2: Convert to fraction form
6,505,595.87/8,977,775.04 = 3,605,035.19/x - Step 3: Cross multiply
6,505,595.87x = 8,977,775.04 × 3,605,035.19 - Step 4: Simplify right side
6,505,595.87x = 32,365,194,947,103.65 - Step 5: Solve for x
x = 32,365,194,947,103.65/6,505,595.87 - Step 6: Final answer
x = 4,974,977.79
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1.5x scale
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.