Finding the Fourth Proportional to 4,673,846.61, 6,450,984.48 and 2,740,729.95
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Solution
The fourth proportional to 4,673,846.61, 6,450,984.48 and 2,740,729.95 is: 3,782,838.39
Step by Step Solution
- Step 1: Write the proportion equation
4,673,846.61 : 6,450,984.48 = 2,740,729.95 : x - Step 2: Convert to fraction form
4,673,846.61/6,450,984.48 = 2,740,729.95/x - Step 3: Cross multiply
4,673,846.61x = 6,450,984.48 × 2,740,729.95 - Step 4: Simplify right side
4,673,846.61x = 17,680,406,371,321.18 - Step 5: Solve for x
x = 17,680,406,371,321.18/4,673,846.61 - Step 6: Final answer
x = 3,782,838.39
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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.