Finding the Fourth Proportional to 2,106,182.06, 2,906,529.26 and 1,139,310.12
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Solution
The fourth proportional to 2,106,182.06, 2,906,529.26 and 1,139,310.12 is: 1,572,246.89
Step by Step Solution
- Step 1: Write the proportion equation
2,106,182.06 : 2,906,529.26 = 1,139,310.12 : x - Step 2: Convert to fraction form
2,106,182.06/2,906,529.26 = 1,139,310.12/x - Step 3: Cross multiply
2,106,182.06x = 2,906,529.26 × 1,139,310.12 - Step 4: Simplify right side
2,106,182.06x = 3,311,438,194,297.56 - Step 5: Solve for x
x = 3,311,438,194,297.56/2,106,182.06 - Step 6: Final answer
x = 1,572,246.89
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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.