Finding the Fourth Proportional to 4,751,742.01, 7,128,324.50 and 1,719,817.25
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Solution
The fourth proportional to 4,751,742.01, 7,128,324.50 and 1,719,817.25 is: 2,579,983.39
Step by Step Solution
- Step 1: Write the proportion equation
4,751,742.01 : 7,128,324.50 = 1,719,817.25 : x - Step 2: Convert to fraction form
4,751,742.01/7,128,324.50 = 1,719,817.25/x - Step 3: Cross multiply
4,751,742.01x = 7,128,324.50 × 1,719,817.25 - Step 4: Simplify right side
4,751,742.01x = 12,259,415,430,098.54 - Step 5: Solve for x
x = 12,259,415,430,098.54/4,751,742.01 - Step 6: Final answer
x = 2,579,983.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.