Finding the Fourth Proportional to 4,630,621.84, 6,392,479.52 and 3,255,144.64
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Solution
The fourth proportional to 4,630,621.84, 6,392,479.52 and 3,255,144.64 is: 4,493,661.15
Step by Step Solution
- Step 1: Write the proportion equation
4,630,621.84 : 6,392,479.52 = 3,255,144.64 : x - Step 2: Convert to fraction form
4,630,621.84/6,392,479.52 = 3,255,144.64/x - Step 3: Cross multiply
4,630,621.84x = 6,392,479.52 × 3,255,144.64 - Step 4: Simplify right side
4,630,621.84x = 20,808,445,445,837.77 - Step 5: Solve for x
x = 20,808,445,445,837.77/4,630,621.84 - Step 6: Final answer
x = 4,493,661.15
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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.