Finding the Fourth Proportional to 5,570,629.28, 7,688,835.99 and 3,396,371.39
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Solution
The fourth proportional to 5,570,629.28, 7,688,835.99 and 3,396,371.39 is: 4,687,826.32
Step by Step Solution
- Step 1: Write the proportion equation
5,570,629.28 : 7,688,835.99 = 3,396,371.39 : x - Step 2: Convert to fraction form
5,570,629.28/7,688,835.99 = 3,396,371.39/x - Step 3: Cross multiply
5,570,629.28x = 7,688,835.99 × 3,396,371.39 - Step 4: Simplify right side
5,570,629.28x = 26,114,142,540,394.14 - Step 5: Solve for x
x = 26,114,142,540,394.14/5,570,629.28 - Step 6: Final answer
x = 4,687,826.32
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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.