Finding the Fourth Proportional to 3,025,671.52, 4,174,104 and 2,165,918.08
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Solution
The fourth proportional to 3,025,671.52, 4,174,104 and 2,165,918.08 is: 2,988,020.10
Step by Step Solution
- Step 1: Write the proportion equation
3,025,671.52 : 4,174,104 = 2,165,918.08 : x - Step 2: Convert to fraction form
3,025,671.52/4,174,104 = 2,165,918.08/x - Step 3: Cross multiply
3,025,671.52x = 4,174,104 × 2,165,918.08 - Step 4: Simplify right side
3,025,671.52x = 9,040,767,321,400.32 - Step 5: Solve for x
x = 9,040,767,321,400.32/3,025,671.52 - Step 6: Final answer
x = 2,988,020.10
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1.5x scale
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.