Finding the Fourth Proportional to 2,866,101.66, 3,955,138.74 and 1,576,942.92
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Solution
The fourth proportional to 2,866,101.66, 3,955,138.74 and 1,576,942.92 is: 2,176,136.36
Step by Step Solution
- Step 1: Write the proportion equation
2,866,101.66 : 3,955,138.74 = 1,576,942.92 : x - Step 2: Convert to fraction form
2,866,101.66/3,955,138.74 = 1,576,942.92/x - Step 3: Cross multiply
2,866,101.66x = 3,955,138.74 × 1,576,942.92 - Step 4: Simplify right side
2,866,101.66x = 6,237,028,033,660.72 - Step 5: Solve for x
x = 6,237,028,033,660.72/2,866,101.66 - Step 6: Final answer
x = 2,176,136.36
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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.