Finding the Fourth Proportional to 4,890,897.41, 6,749,126.19 and 2,715,440.04
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Solution
The fourth proportional to 4,890,897.41, 6,749,126.19 and 2,715,440.04 is: 3,747,133.90
Step by Step Solution
- Step 1: Write the proportion equation
4,890,897.41 : 6,749,126.19 = 2,715,440.04 : x - Step 2: Convert to fraction form
4,890,897.41/6,749,126.19 = 2,715,440.04/x - Step 3: Cross multiply
4,890,897.41x = 6,749,126.19 × 2,715,440.04 - Step 4: Simplify right side
4,890,897.41x = 18,326,847,491,338.65 - Step 5: Solve for x
x = 18,326,847,491,338.65/4,890,897.41 - Step 6: Final answer
x = 3,747,133.90
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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.