Finding the Fourth Proportional to 5,058,539.11, 6,980,360.11 and 2,853,280.09
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Solution
The fourth proportional to 5,058,539.11, 6,980,360.11 and 2,853,280.09 is: 3,937,287.44
Step by Step Solution
- Step 1: Write the proportion equation
5,058,539.11 : 6,980,360.11 = 2,853,280.09 : x - Step 2: Convert to fraction form
5,058,539.11/6,980,360.11 = 2,853,280.09/x - Step 3: Cross multiply
5,058,539.11x = 6,980,360.11 × 2,853,280.09 - Step 4: Simplify right side
5,058,539.11x = 19,916,922,522,893.21 - Step 5: Solve for x
x = 19,916,922,522,893.21/5,058,539.11 - Step 6: Final answer
x = 3,937,287.44
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1.5x scale
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.