Finding the Fourth Proportional to 5,571,580.40, 8,358,419.56 and 3,970,170.80
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Solution
The fourth proportional to 5,571,580.40, 8,358,419.56 and 3,970,170.80 is: 5,956,003.66
Step by Step Solution
- Step 1: Write the proportion equation
5,571,580.40 : 8,358,419.56 = 3,970,170.80 : x - Step 2: Convert to fraction form
5,571,580.40/8,358,419.56 = 3,970,170.80/x - Step 3: Cross multiply
5,571,580.40x = 8,358,419.56 × 3,970,170.80 - Step 4: Simplify right side
5,571,580.40x = 33,184,353,271,260.84 - Step 5: Solve for x
x = 33,184,353,271,260.84/5,571,580.40 - Step 6: Final answer
x = 5,956,003.66
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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.