Finding the Fourth Proportional to 5,599,507.98, 7,729,709.56 and 3,765,029.60
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Solution
The fourth proportional to 5,599,507.98, 7,729,709.56 and 3,765,029.60 is: 5,197,346.87
Step by Step Solution
- Step 1: Write the proportion equation
5,599,507.98 : 7,729,709.56 = 3,765,029.60 : x - Step 2: Convert to fraction form
5,599,507.98/7,729,709.56 = 3,765,029.60/x - Step 3: Cross multiply
5,599,507.98x = 7,729,709.56 × 3,765,029.60 - Step 4: Simplify right side
5,599,507.98x = 29,102,585,292,802.98 - Step 5: Solve for x
x = 29,102,585,292,802.98/5,599,507.98 - Step 6: Final answer
x = 5,197,346.87
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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.