Finding the Fourth Proportional to 2,133,958.95, 2,944,679.10 and 1,203,615.48
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Solution
The fourth proportional to 2,133,958.95, 2,944,679.10 and 1,203,615.48 is: 1,660,885.44
Step by Step Solution
- Step 1: Write the proportion equation
2,133,958.95 : 2,944,679.10 = 1,203,615.48 : x - Step 2: Convert to fraction form
2,133,958.95/2,944,679.10 = 1,203,615.48/x - Step 3: Cross multiply
2,133,958.95x = 2,944,679.10 × 1,203,615.48 - Step 4: Simplify right side
2,133,958.95x = 3,544,261,354,921.46 - Step 5: Solve for x
x = 3,544,261,354,921.46/2,133,958.95 - Step 6: Final answer
x = 1,660,885.44
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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.