Finding the Fourth Proportional to 3,491,295.64, 4,817,912.46 and 2,021,266.18
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Solution
The fourth proportional to 3,491,295.64, 4,817,912.46 and 2,021,266.18 is: 2,789,303.60
Step by Step Solution
- Step 1: Write the proportion equation
3,491,295.64 : 4,817,912.46 = 2,021,266.18 : x - Step 2: Convert to fraction form
3,491,295.64/4,817,912.46 = 2,021,266.18/x - Step 3: Cross multiply
3,491,295.64x = 4,817,912.46 × 2,021,266.18 - Step 4: Simplify right side
3,491,295.64x = 9,738,283,513,598.60 - Step 5: Solve for x
x = 9,738,283,513,598.60/3,491,295.64 - Step 6: Final answer
x = 2,789,303.60
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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.