Finding the Fourth Proportional to 3,768,485.67, 5,627,202.54 and 2,991,263.54
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Solution
The fourth proportional to 3,768,485.67, 5,627,202.54 and 2,991,263.54 is: 4,466,633.87
Step by Step Solution
- Step 1: Write the proportion equation
3,768,485.67 : 5,627,202.54 = 2,991,263.54 : x - Step 2: Convert to fraction form
3,768,485.67/5,627,202.54 = 2,991,263.54/x - Step 3: Cross multiply
3,768,485.67x = 5,627,202.54 × 2,991,263.54 - Step 4: Simplify right side
3,768,485.67x = 16,832,445,750,744.14 - Step 5: Solve for x
x = 16,832,445,750,744.14/3,768,485.67 - Step 6: Final answer
x = 4,466,633.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.