Finding the Fourth Proportional to 2,124,867.84, 2,932,232.04 and 1,157,977.38
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Solution
The fourth proportional to 2,124,867.84, 2,932,232.04 and 1,157,977.38 is: 1,597,962.15
Step by Step Solution
- Step 1: Write the proportion equation
2,124,867.84 : 2,932,232.04 = 1,157,977.38 : x - Step 2: Convert to fraction form
2,124,867.84/2,932,232.04 = 1,157,977.38/x - Step 3: Cross multiply
2,124,867.84x = 2,932,232.04 × 1,157,977.38 - Step 4: Simplify right side
2,124,867.84x = 3,395,458,375,231.26 - Step 5: Solve for x
x = 3,395,458,375,231.26/2,124,867.84 - Step 6: Final answer
x = 1,597,962.15
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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.