Finding the Fourth Proportional to 4,182,632.76, 5,768,779.11 and 3,025,419.99
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Solution
The fourth proportional to 4,182,632.76, 5,768,779.11 and 3,025,419.99 is: 4,172,725.80
Step by Step Solution
- Step 1: Write the proportion equation
4,182,632.76 : 5,768,779.11 = 3,025,419.99 : x - Step 2: Convert to fraction form
4,182,632.76/5,768,779.11 = 3,025,419.99/x - Step 3: Cross multiply
4,182,632.76x = 5,768,779.11 × 3,025,419.99 - Step 4: Simplify right side
4,182,632.76x = 17,452,979,637,288.41 - Step 5: Solve for x
x = 17,452,979,637,288.41/4,182,632.76 - Step 6: Final answer
x = 4,172,725.80
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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.