Finding the Fourth Proportional to 2,131,407.05, 2,941,306.97 and 1,164,516.53
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Solution
The fourth proportional to 2,131,407.05, 2,941,306.97 and 1,164,516.53 is: 1,607,013.81
Step by Step Solution
- Step 1: Write the proportion equation
2,131,407.05 : 2,941,306.97 = 1,164,516.53 : x - Step 2: Convert to fraction form
2,131,407.05/2,941,306.97 = 1,164,516.53/x - Step 3: Cross multiply
2,131,407.05x = 2,941,306.97 × 1,164,516.53 - Step 4: Simplify right side
2,131,407.05x = 3,425,200,565,840.10 - Step 5: Solve for x
x = 3,425,200,565,840.10/2,131,407.05 - Step 6: Final answer
x = 1,607,013.81
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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.