Finding the Fourth Proportional to 2,866,108.16, 3,955,147.70 and 1,576,949.42
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Solution
The fourth proportional to 2,866,108.16, 3,955,147.70 and 1,576,949.42 is: 2,176,145.32
Step by Step Solution
- Step 1: Write the proportion equation
2,866,108.16 : 3,955,147.70 = 1,576,949.42 : x - Step 2: Convert to fraction form
2,866,108.16/3,955,147.70 = 1,576,949.42/x - Step 3: Cross multiply
2,866,108.16x = 3,955,147.70 × 1,576,949.42 - Step 4: Simplify right side
2,866,108.16x = 6,237,067,871,529.33 - Step 5: Solve for x
x = 6,237,067,871,529.33/2,866,108.16 - Step 6: Final answer
x = 2,176,145.32
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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.