Finding the Fourth Proportional to 3,112,408.09, 4,295,114.53 and 1,735,753.09
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Solution
The fourth proportional to 3,112,408.09, 4,295,114.53 and 1,735,753.09 is: 2,395,334.45
Step by Step Solution
- Step 1: Write the proportion equation
3,112,408.09 : 4,295,114.53 = 1,735,753.09 : x - Step 2: Convert to fraction form
3,112,408.09/4,295,114.53 = 1,735,753.09/x - Step 3: Cross multiply
3,112,408.09x = 4,295,114.53 × 1,735,753.09 - Step 4: Simplify right side
3,112,408.09x = 7,455,258,317,351.40 - Step 5: Solve for x
x = 7,455,258,317,351.40/3,112,408.09 - Step 6: Final answer
x = 2,395,334.45
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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.