Finding the Fourth Proportional to 3,809,272.68, 5,256,947.97 and 2,090,454.75
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Solution
The fourth proportional to 3,809,272.68, 5,256,947.97 and 2,090,454.75 is: 2,884,910.79
Step by Step Solution
- Step 1: Write the proportion equation
3,809,272.68 : 5,256,947.97 = 2,090,454.75 : x - Step 2: Convert to fraction form
3,809,272.68/5,256,947.97 = 2,090,454.75/x - Step 3: Cross multiply
3,809,272.68x = 5,256,947.97 × 2,090,454.75 - Step 4: Simplify right side
3,809,272.68x = 10,989,411,854,389.36 - Step 5: Solve for x
x = 10,989,411,854,389.36/3,809,272.68 - Step 6: Final answer
x = 2,884,910.79
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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.