Finding the Fourth Proportional to 3,441,377.84, 4,749,695.87 and 1,991,872.50
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Solution
The fourth proportional to 3,441,377.84, 4,749,695.87 and 1,991,872.50 is: 2,749,128.12
Step by Step Solution
- Step 1: Write the proportion equation
3,441,377.84 : 4,749,695.87 = 1,991,872.50 : x - Step 2: Convert to fraction form
3,441,377.84/4,749,695.87 = 1,991,872.50/x - Step 3: Cross multiply
3,441,377.84x = 4,749,695.87 × 1,991,872.50 - Step 4: Simplify right side
3,441,377.84x = 9,460,788,576,857.21 - Step 5: Solve for x
x = 9,460,788,576,857.21/3,441,377.84 - Step 6: Final answer
x = 2,749,128.12
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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.