Finding the Fourth Proportional to 4,309,271.80, 6,463,907.70 and 1,317,455.80
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Solution
The fourth proportional to 4,309,271.80, 6,463,907.70 and 1,317,455.80 is: 1,976,183.70
Step by Step Solution
- Step 1: Write the proportion equation
4,309,271.80 : 6,463,907.70 = 1,317,455.80 : x - Step 2: Convert to fraction form
4,309,271.80/6,463,907.70 = 1,317,455.80/x - Step 3: Cross multiply
4,309,271.80x = 6,463,907.70 × 1,317,455.80 - Step 4: Simplify right side
4,309,271.80x = 8,515,912,690,029.66 - Step 5: Solve for x
x = 8,515,912,690,029.66/4,309,271.80 - Step 6: Final answer
x = 1,976,183.70
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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.