Finding the Fourth Proportional to 2,866,109.16, 3,955,149.08 and 1,576,950.42
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Solution
The fourth proportional to 2,866,109.16, 3,955,149.08 and 1,576,950.42 is: 2,176,146.70
Step by Step Solution
- Step 1: Write the proportion equation
2,866,109.16 : 3,955,149.08 = 1,576,950.42 : x - Step 2: Convert to fraction form
2,866,109.16/3,955,149.08 = 1,576,950.42/x - Step 3: Cross multiply
2,866,109.16x = 3,955,149.08 × 1,576,950.42 - Step 4: Simplify right side
2,866,109.16x = 6,237,074,002,868.61 - Step 5: Solve for x
x = 6,237,074,002,868.61/2,866,109.16 - Step 6: Final answer
x = 2,176,146.70
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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.