Finding the Fourth Proportional to 3,478,404.42, 5,217,964.11 and 1,203,925.08
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Solution
The fourth proportional to 3,478,404.42, 5,217,964.11 and 1,203,925.08 is: 1,806,011.35
Step by Step Solution
- Step 1: Write the proportion equation
3,478,404.42 : 5,217,964.11 = 1,203,925.08 : x - Step 2: Convert to fraction form
3,478,404.42/5,217,964.11 = 1,203,925.08/x - Step 3: Cross multiply
3,478,404.42x = 5,217,964.11 × 1,203,925.08 - Step 4: Simplify right side
3,478,404.42x = 6,282,037,858,568.88 - Step 5: Solve for x
x = 6,282,037,858,568.88/3,478,404.42 - Step 6: Final answer
x = 1,806,011.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.