Finding the Fourth Proportional to 1,970,071.36, 2,955,107.60 and 474,163.36
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Solution
The fourth proportional to 1,970,071.36, 2,955,107.60 and 474,163.36 is: 711,245.17
Step by Step Solution
- Step 1: Write the proportion equation
1,970,071.36 : 2,955,107.60 = 474,163.36 : x - Step 2: Convert to fraction form
1,970,071.36/2,955,107.60 = 474,163.36/x - Step 3: Cross multiply
1,970,071.36x = 2,955,107.60 × 474,163.36 - Step 4: Simplify right side
1,970,071.36x = 1,401,203,748,777.54 - Step 5: Solve for x
x = 1,401,203,748,777.54/1,970,071.36 - Step 6: Final answer
x = 711,245.17
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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.