Finding the Fourth Proportional to 4,371,396.12, 6,033,607.97 and 2,978,263.15
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Solution
The fourth proportional to 4,371,396.12, 6,033,607.97 and 2,978,263.15 is: 4,110,739.86
Step by Step Solution
- Step 1: Write the proportion equation
4,371,396.12 : 6,033,607.97 = 2,978,263.15 : x - Step 2: Convert to fraction form
4,371,396.12/6,033,607.97 = 2,978,263.15/x - Step 3: Cross multiply
4,371,396.12x = 6,033,607.97 × 2,978,263.15 - Step 4: Simplify right side
4,371,396.12x = 17,969,672,299,169.22 - Step 5: Solve for x
x = 17,969,672,299,169.22/4,371,396.12 - Step 6: Final answer
x = 4,110,739.86
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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.