Finding the Fourth Proportional to 2,106,144.95, 3,158,614.78 and 686,325.11
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Solution
The fourth proportional to 2,106,144.95, 3,158,614.78 and 686,325.11 is: 1,029,291.28
Step by Step Solution
- Step 1: Write the proportion equation
2,106,144.95 : 3,158,614.78 = 686,325.11 : x - Step 2: Convert to fraction form
2,106,144.95/3,158,614.78 = 686,325.11/x - Step 3: Cross multiply
2,106,144.95x = 3,158,614.78 × 686,325.11 - Step 4: Simplify right side
2,106,144.95x = 2,167,836,618,822.24 - Step 5: Solve for x
x = 2,167,836,618,822.24/2,106,144.95 - Step 6: Final answer
x = 1,029,291.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.