Finding the Fourth Proportional to 2,277,938.42, 3,143,620.63 and 1,259,408.78
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Solution
The fourth proportional to 2,277,938.42, 3,143,620.63 and 1,259,408.78 is: 1,738,020.39
Step by Step Solution
- Step 1: Write the proportion equation
2,277,938.42 : 3,143,620.63 = 1,259,408.78 : x - Step 2: Convert to fraction form
2,277,938.42/3,143,620.63 = 1,259,408.78/x - Step 3: Cross multiply
2,277,938.42x = 3,143,620.63 × 1,259,408.78 - Step 4: Simplify right side
2,277,938.42x = 3,959,103,422,411.13 - Step 5: Solve for x
x = 3,959,103,422,411.13/2,277,938.42 - Step 6: Final answer
x = 1,738,020.39
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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.