Finding the Fourth Proportional to 2,808,048.20, 4,212,072.30 and 2,630,901.20
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Solution
The fourth proportional to 2,808,048.20, 4,212,072.30 and 2,630,901.20 is: 3,946,351.80
Step by Step Solution
- Step 1: Write the proportion equation
2,808,048.20 : 4,212,072.30 = 2,630,901.20 : x - Step 2: Convert to fraction form
2,808,048.20/4,212,072.30 = 2,630,901.20/x - Step 3: Cross multiply
2,808,048.20x = 4,212,072.30 × 2,630,901.20 - Step 4: Simplify right side
2,808,048.20x = 11,081,546,068,556.76 - Step 5: Solve for x
x = 11,081,546,068,556.76/2,808,048.20 - Step 6: Final answer
x = 3,946,351.80
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1.5x scale
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.