Finding the Fourth Proportional to 2,542,130.80, 3,506,676.08 and 1,522,945.08
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Solution
The fourth proportional to 2,542,130.80, 3,506,676.08 and 1,522,945.08 is: 2,100,786.90
Step by Step Solution
- Step 1: Write the proportion equation
2,542,130.80 : 3,506,676.08 = 1,522,945.08 : x - Step 2: Convert to fraction form
2,542,130.80/3,506,676.08 = 1,522,945.08/x - Step 3: Cross multiply
2,542,130.80x = 3,506,676.08 × 1,522,945.08 - Step 4: Simplify right side
2,542,130.80x = 5,340,475,083,189.69 - Step 5: Solve for x
x = 5,340,475,083,189.69/2,542,130.80 - Step 6: Final answer
x = 2,100,786.90
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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.