Finding the Fourth Proportional to 2,168,084.43, 2,991,917.70 and 1,201,195.32
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Solution
The fourth proportional to 2,168,084.43, 2,991,917.70 and 1,201,195.32 is: 1,657,628.04
Step by Step Solution
- Step 1: Write the proportion equation
2,168,084.43 : 2,991,917.70 = 1,201,195.32 : x - Step 2: Convert to fraction form
2,168,084.43/2,991,917.70 = 1,201,195.32/x - Step 3: Cross multiply
2,168,084.43x = 2,991,917.70 × 1,201,195.32 - Step 4: Simplify right side
2,168,084.43x = 3,593,877,539,065.16 - Step 5: Solve for x
x = 3,593,877,539,065.16/2,168,084.43 - Step 6: Final answer
x = 1,657,628.04
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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.