Finding the Fourth Proportional to 2,135,364.76, 2,946,803.25 and 1,168,495.12
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Solution
The fourth proportional to 2,135,364.76, 2,946,803.25 and 1,168,495.12 is: 1,612,523.20
Step by Step Solution
- Step 1: Write the proportion equation
2,135,364.76 : 2,946,803.25 = 1,168,495.12 : x - Step 2: Convert to fraction form
2,135,364.76/2,946,803.25 = 1,168,495.12/x - Step 3: Cross multiply
2,135,364.76x = 2,946,803.25 × 1,168,495.12 - Step 4: Simplify right side
2,135,364.76x = 3,443,325,217,225.14 - Step 5: Solve for x
x = 3,443,325,217,225.14/2,135,364.76 - Step 6: Final answer
x = 1,612,523.20
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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.