Finding the Fourth Proportional to 5,056,392.96, 6,976,112.94 and 2,879,392.68
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Solution
The fourth proportional to 5,056,392.96, 6,976,112.94 and 2,879,392.68 is: 3,972,588.50
Step by Step Solution
- Step 1: Write the proportion equation
5,056,392.96 : 6,976,112.94 = 2,879,392.68 : x - Step 2: Convert to fraction form
5,056,392.96/6,976,112.94 = 2,879,392.68/x - Step 3: Cross multiply
5,056,392.96x = 6,976,112.94 × 2,879,392.68 - Step 4: Simplify right side
5,056,392.96x = 20,086,968,534,289.28 - Step 5: Solve for x
x = 20,086,968,534,289.28/5,056,392.96 - Step 6: Final answer
x = 3,972,588.50
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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.