Finding the Fourth Proportional to 5,764,490.36, 7,955,165.87 and 3,151,138.86
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Solution
The fourth proportional to 5,764,490.36, 7,955,165.87 and 3,151,138.86 is: 4,348,664.11
Step by Step Solution
- Step 1: Write the proportion equation
5,764,490.36 : 7,955,165.87 = 3,151,138.86 : x - Step 2: Convert to fraction form
5,764,490.36/7,955,165.87 = 3,151,138.86/x - Step 3: Cross multiply
5,764,490.36x = 7,955,165.87 × 3,151,138.86 - Step 4: Simplify right side
5,764,490.36x = 25,067,832,294,947.01 - Step 5: Solve for x
x = 25,067,832,294,947.01/5,764,490.36 - Step 6: Final answer
x = 4,348,664.11
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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.