Finding the Fourth Proportional to 2,362,325.12, 3,259,963.20 and 1,289,244.80
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Solution
The fourth proportional to 2,362,325.12, 3,259,963.20 and 1,289,244.80 is: 1,779,133.01
Step by Step Solution
- Step 1: Write the proportion equation
2,362,325.12 : 3,259,963.20 = 1,289,244.80 : x - Step 2: Convert to fraction form
2,362,325.12/3,259,963.20 = 1,289,244.80/x - Step 3: Cross multiply
2,362,325.12x = 3,259,963.20 × 1,289,244.80 - Step 4: Simplify right side
2,362,325.12x = 4,202,890,603,791.36 - Step 5: Solve for x
x = 4,202,890,603,791.36/2,362,325.12 - Step 6: Final answer
x = 1,779,133.01
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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.