Finding the Fourth Proportional to 5,759,750.64, 7,947,774.68 and 3,181,277.64
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Solution
The fourth proportional to 5,759,750.64, 7,947,774.68 and 3,181,277.64 is: 4,389,786.89
Step by Step Solution
- Step 1: Write the proportion equation
5,759,750.64 : 7,947,774.68 = 3,181,277.64 : x - Step 2: Convert to fraction form
5,759,750.64/7,947,774.68 = 3,181,277.64/x - Step 3: Cross multiply
5,759,750.64x = 7,947,774.68 × 3,181,277.64 - Step 4: Simplify right side
5,759,750.64x = 25,284,077,877,242.16 - Step 5: Solve for x
x = 25,284,077,877,242.16/5,759,750.64 - Step 6: Final answer
x = 4,389,786.89
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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.