Finding the Fourth Proportional to 3,890,805.11, 5,836,420.54 and 1,616,559.50
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Solution
The fourth proportional to 3,890,805.11, 5,836,420.54 and 1,616,559.50 is: 2,424,927.70
Step by Step Solution
- Step 1: Write the proportion equation
3,890,805.11 : 5,836,420.54 = 1,616,559.50 : x - Step 2: Convert to fraction form
3,890,805.11/5,836,420.54 = 1,616,559.50/x - Step 3: Cross multiply
3,890,805.11x = 5,836,420.54 × 1,616,559.50 - Step 4: Simplify right side
3,890,805.11x = 9,434,921,069,932.13 - Step 5: Solve for x
x = 9,434,921,069,932.13/3,890,805.11 - Step 6: Final answer
x = 2,424,927.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.