Finding the Fourth Proportional to 4,763,183.74, 7,144,485.99 and 1,689,326.62
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Solution
The fourth proportional to 4,763,183.74, 7,144,485.99 and 1,689,326.62 is: 2,533,887.21
Step by Step Solution
- Step 1: Write the proportion equation
4,763,183.74 : 7,144,485.99 = 1,689,326.62 : x - Step 2: Convert to fraction form
4,763,183.74/7,144,485.99 = 1,689,326.62/x - Step 3: Cross multiply
4,763,183.74x = 7,144,485.99 × 1,689,326.62 - Step 4: Simplify right side
4,763,183.74x = 12,069,370,369,124.05 - Step 5: Solve for x
x = 12,069,370,369,124.05/4,763,183.74 - Step 6: Final answer
x = 2,533,887.21
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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.