Finding the Fourth Proportional to 1,864,566.87, 2,573,076.42 and 1,048,771.11
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Solution
The fourth proportional to 1,864,566.87, 2,573,076.42 and 1,048,771.11 is: 1,447,289.59
Step by Step Solution
- Step 1: Write the proportion equation
1,864,566.87 : 2,573,076.42 = 1,048,771.11 : x - Step 2: Convert to fraction form
1,864,566.87/2,573,076.42 = 1,048,771.11/x - Step 3: Cross multiply
1,864,566.87x = 2,573,076.42 × 1,048,771.11 - Step 4: Simplify right side
1,864,566.87x = 2,698,568,213,118.23 - Step 5: Solve for x
x = 2,698,568,213,118.23/1,864,566.87 - Step 6: Final answer
x = 1,447,289.59
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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.