Finding the Fourth Proportional to 3,455,240.80, 4,768,199.76 and 1,906,516.48
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Solution
The fourth proportional to 3,455,240.80, 4,768,199.76 and 1,906,516.48 is: 2,630,974.79
Step by Step Solution
- Step 1: Write the proportion equation
3,455,240.80 : 4,768,199.76 = 1,906,516.48 : x - Step 2: Convert to fraction form
3,455,240.80/4,768,199.76 = 1,906,516.48/x - Step 3: Cross multiply
3,455,240.80x = 4,768,199.76 × 1,906,516.48 - Step 4: Simplify right side
3,455,240.80x = 9,090,651,422,372.05 - Step 5: Solve for x
x = 9,090,651,422,372.05/3,455,240.80 - Step 6: Final answer
x = 2,630,974.79
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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.