Finding the Fourth Proportional to 3,047,380.95, 4,205,362.41 and 1,670,708.19
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Solution
The fourth proportional to 3,047,380.95, 4,205,362.41 and 1,670,708.19 is: 2,305,564.53
Step by Step Solution
- Step 1: Write the proportion equation
3,047,380.95 : 4,205,362.41 = 1,670,708.19 : x - Step 2: Convert to fraction form
3,047,380.95/4,205,362.41 = 1,670,708.19/x - Step 3: Cross multiply
3,047,380.95x = 4,205,362.41 × 1,670,708.19 - Step 4: Simplify right side
3,047,380.95x = 7,025,933,420,305.14 - Step 5: Solve for x
x = 7,025,933,420,305.14/3,047,380.95 - Step 6: Final answer
x = 2,305,564.53
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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.