Finding the Fourth Proportional to 2,320,833.12, 3,201,928.56 and 1,516,483.68
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Solution
The fourth proportional to 2,320,833.12, 3,201,928.56 and 1,516,483.68 is: 2,092,210.92
Step by Step Solution
- Step 1: Write the proportion equation
2,320,833.12 : 3,201,928.56 = 1,516,483.68 : x - Step 2: Convert to fraction form
2,320,833.12/3,201,928.56 = 1,516,483.68/x - Step 3: Cross multiply
2,320,833.12x = 3,201,928.56 × 1,516,483.68 - Step 4: Simplify right side
2,320,833.12x = 4,855,672,405,765.90 - Step 5: Solve for x
x = 4,855,672,405,765.90/2,320,833.12 - Step 6: Final answer
x = 2,092,210.92
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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.