Finding the Fourth Proportional to 2,991,570.10, 4,488,756.54 and 1,474,425.99
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Solution
The fourth proportional to 2,991,570.10, 4,488,756.54 and 1,474,425.99 is: 2,212,329.67
Step by Step Solution
- Step 1: Write the proportion equation
2,991,570.10 : 4,488,756.54 = 1,474,425.99 : x - Step 2: Convert to fraction form
2,991,570.10/4,488,756.54 = 1,474,425.99/x - Step 3: Cross multiply
2,991,570.10x = 4,488,756.54 × 1,474,425.99 - Step 4: Simplify right side
2,991,570.10x = 6,618,339,299,829.38 - Step 5: Solve for x
x = 6,618,339,299,829.38/2,991,570.10 - Step 6: Final answer
x = 2,212,329.67
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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.