Finding the Fourth Proportional to 2,102,844.01, 2,901,921.07 and 1,135,971.31
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Solution
The fourth proportional to 2,102,844.01, 2,901,921.07 and 1,135,971.31 is: 1,567,638.43
Step by Step Solution
- Step 1: Write the proportion equation
2,102,844.01 : 2,901,921.07 = 1,135,971.31 : x - Step 2: Convert to fraction form
2,102,844.01/2,901,921.07 = 1,135,971.31/x - Step 3: Cross multiply
2,102,844.01x = 2,901,921.07 × 1,135,971.31 - Step 4: Simplify right side
2,102,844.01x = 3,296,499,089,834.91 - Step 5: Solve for x
x = 3,296,499,089,834.91/2,102,844.01 - Step 6: Final answer
x = 1,567,638.43
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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.