Finding the Fourth Proportional to 2,224,845.70, 3,070,201.86 and 1,257,996.24
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Solution
The fourth proportional to 2,224,845.70, 3,070,201.86 and 1,257,996.24 is: 1,735,986.64
Step by Step Solution
- Step 1: Write the proportion equation
2,224,845.70 : 3,070,201.86 = 1,257,996.24 : x - Step 2: Convert to fraction form
2,224,845.70/3,070,201.86 = 1,257,996.24/x - Step 3: Cross multiply
2,224,845.70x = 3,070,201.86 × 1,257,996.24 - Step 4: Simplify right side
2,224,845.70x = 3,862,302,395,921.01 - Step 5: Solve for x
x = 3,862,302,395,921.01/2,224,845.70 - Step 6: Final answer
x = 1,735,986.64
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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.