Finding the Fourth Proportional to 3,177,284.30, 4,763,247.77 and 1,378,812.95
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Solution
The fourth proportional to 3,177,284.30, 4,763,247.77 and 1,378,812.95 is: 2,067,056.99
Step by Step Solution
- Step 1: Write the proportion equation
3,177,284.30 : 4,763,247.77 = 1,378,812.95 : x - Step 2: Convert to fraction form
3,177,284.30/4,763,247.77 = 1,378,812.95/x - Step 3: Cross multiply
3,177,284.30x = 4,763,247.77 × 1,378,812.95 - Step 4: Simplify right side
3,177,284.30x = 6,567,627,709,334.62 - Step 5: Solve for x
x = 6,567,627,709,334.62/3,177,284.30 - Step 6: Final answer
x = 2,067,056.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.