Finding the Fourth Proportional to 2,118,947.33, 2,924,247.29 and 1,201,194.26
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Solution
The fourth proportional to 2,118,947.33, 2,924,247.29 and 1,201,194.26 is: 1,657,704.75
Step by Step Solution
- Step 1: Write the proportion equation
2,118,947.33 : 2,924,247.29 = 1,201,194.26 : x - Step 2: Convert to fraction form
2,118,947.33/2,924,247.29 = 1,201,194.26/x - Step 3: Cross multiply
2,118,947.33x = 2,924,247.29 × 1,201,194.26 - Step 4: Simplify right side
2,118,947.33x = 3,512,589,059,568.56 - Step 5: Solve for x
x = 3,512,589,059,568.56/2,118,947.33 - Step 6: Final answer
x = 1,657,704.75
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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.