Finding the Fourth Proportional to 5,257,596.12, 7,255,479.60 and 2,843,148.12
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Solution
The fourth proportional to 5,257,596.12, 7,255,479.60 and 2,843,148.12 is: 3,923,542.76
Step by Step Solution
- Step 1: Write the proportion equation
5,257,596.12 : 7,255,479.60 = 2,843,148.12 : x - Step 2: Convert to fraction form
5,257,596.12/7,255,479.60 = 2,843,148.12/x - Step 3: Cross multiply
5,257,596.12x = 7,255,479.60 × 2,843,148.12 - Step 4: Simplify right side
5,257,596.12x = 20,628,403,184,438.35 - Step 5: Solve for x
x = 20,628,403,184,438.35/5,257,596.12 - Step 6: Final answer
x = 3,923,542.76
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1.5x scale
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.