Finding the Fourth Proportional to 1,546,875.36, 2,135,080.36 and 1,057,043.14
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Solution
The fourth proportional to 1,546,875.36, 2,135,080.36 and 1,057,043.14 is: 1,458,987.65
Step by Step Solution
- Step 1: Write the proportion equation
1,546,875.36 : 2,135,080.36 = 1,057,043.14 : x - Step 2: Convert to fraction form
1,546,875.36/2,135,080.36 = 1,057,043.14/x - Step 3: Cross multiply
1,546,875.36x = 2,135,080.36 × 1,057,043.14 - Step 4: Simplify right side
1,546,875.36x = 2,256,872,047,886.73 - Step 5: Solve for x
x = 2,256,872,047,886.73/1,546,875.36 - Step 6: Final answer
x = 1,458,987.65
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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.