Finding the Fourth Proportional to 4,328,639.79, 5,973,698.75 and 2,394,868.88
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Solution
The fourth proportional to 4,328,639.79, 5,973,698.75 and 2,394,868.88 is: 3,305,016.33
Step by Step Solution
- Step 1: Write the proportion equation
4,328,639.79 : 5,973,698.75 = 2,394,868.88 : x - Step 2: Convert to fraction form
4,328,639.79/5,973,698.75 = 2,394,868.88/x - Step 3: Cross multiply
4,328,639.79x = 5,973,698.75 × 2,394,868.88 - Step 4: Simplify right side
4,328,639.79x = 14,306,225,193,027.06 - Step 5: Solve for x
x = 14,306,225,193,027.06/4,328,639.79 - Step 6: Final answer
x = 3,305,016.33
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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.