Finding the Fourth Proportional to 2,135,228.28, 2,946,615.03 and 1,168,358.58
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Solution
The fourth proportional to 2,135,228.28, 2,946,615.03 and 1,168,358.58 is: 1,612,334.84
Step by Step Solution
- Step 1: Write the proportion equation
2,135,228.28 : 2,946,615.03 = 1,168,358.58 : x - Step 2: Convert to fraction form
2,135,228.28/2,946,615.03 = 1,168,358.58/x - Step 3: Cross multiply
2,135,228.28x = 2,946,615.03 × 1,168,358.58 - Step 4: Simplify right side
2,135,228.28x = 3,442,702,952,257.46 - Step 5: Solve for x
x = 3,442,702,952,257.46/2,135,228.28 - Step 6: Final answer
x = 1,612,334.84
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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.