Finding the Fourth Proportional to 1,888,447.21, 2,605,975.69 and 1,072,648.37
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Solution
The fourth proportional to 1,888,447.21, 2,605,975.69 and 1,072,648.37 is: 1,480,208.48
Step by Step Solution
- Step 1: Write the proportion equation
1,888,447.21 : 2,605,975.69 = 1,072,648.37 : x - Step 2: Convert to fraction form
1,888,447.21/2,605,975.69 = 1,072,648.37/x - Step 3: Cross multiply
1,888,447.21x = 2,605,975.69 × 1,072,648.37 - Step 4: Simplify right side
1,888,447.21x = 2,795,295,576,138.13 - Step 5: Solve for x
x = 2,795,295,576,138.13/1,888,447.21 - Step 6: Final answer
x = 1,480,208.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.