Finding the Fourth Proportional to 1,687,704.93, 2,328,782.40 and 1,025,072.19
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Solution
The fourth proportional to 1,687,704.93, 2,328,782.40 and 1,025,072.19 is: 1,414,447.53
Step by Step Solution
- Step 1: Write the proportion equation
1,687,704.93 : 2,328,782.40 = 1,025,072.19 : x - Step 2: Convert to fraction form
1,687,704.93/2,328,782.40 = 1,025,072.19/x - Step 3: Cross multiply
1,687,704.93x = 2,328,782.40 × 1,025,072.19 - Step 4: Simplify right side
1,687,704.93x = 2,387,170,074,801.46 - Step 5: Solve for x
x = 2,387,170,074,801.46/1,687,704.93 - Step 6: Final answer
x = 1,414,447.53
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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.