Finding the Fourth Proportional to 2,124,874.99, 2,932,241.92 and 1,157,984.54
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Solution
The fourth proportional to 2,124,874.99, 2,932,241.92 and 1,157,984.54 is: 1,597,972.03
Step by Step Solution
- Step 1: Write the proportion equation
2,124,874.99 : 2,932,241.92 = 1,157,984.54 : x - Step 2: Convert to fraction form
2,124,874.99/2,932,241.92 = 1,157,984.54/x - Step 3: Cross multiply
2,124,874.99x = 2,932,241.92 × 1,157,984.54 - Step 4: Simplify right side
2,124,874.99x = 3,395,490,804,339.65 - Step 5: Solve for x
x = 3,395,490,804,339.65/2,124,874.99 - Step 6: Final answer
x = 1,597,972.03
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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.