Finding the Fourth Proportional to 3,866,837.37, 5,800,263.65 and 1,438,523.08
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Solution
The fourth proportional to 3,866,837.37, 5,800,263.65 and 1,438,523.08 is: 2,157,787.45
Step by Step Solution
- Step 1: Write the proportion equation
3,866,837.37 : 5,800,263.65 = 1,438,523.08 : x - Step 2: Convert to fraction form
3,866,837.37/5,800,263.65 = 1,438,523.08/x - Step 3: Cross multiply
3,866,837.37x = 5,800,263.65 × 1,438,523.08 - Step 4: Simplify right side
3,866,837.37x = 8,343,813,123,417.43 - Step 5: Solve for x
x = 8,343,813,123,417.43/3,866,837.37 - Step 6: Final answer
x = 2,157,787.45
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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.