Finding the Fourth Proportional to 2,215,595.74, 3,057,535.44 and 1,235,596.64
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Solution
The fourth proportional to 2,215,595.74, 3,057,535.44 and 1,235,596.64 is: 1,705,130.79
Step by Step Solution
- Step 1: Write the proportion equation
2,215,595.74 : 3,057,535.44 = 1,235,596.64 : x - Step 2: Convert to fraction form
2,215,595.74/3,057,535.44 = 1,235,596.64/x - Step 3: Cross multiply
2,215,595.74x = 3,057,535.44 × 1,235,596.64 - Step 4: Simplify right side
2,215,595.74x = 3,777,880,509,512.65 - Step 5: Solve for x
x = 3,777,880,509,512.65/2,215,595.74 - Step 6: Final answer
x = 1,705,130.79
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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.