Finding the Fourth Proportional to 2,787,058.56, 3,846,181.68 and 1,563,634.56
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Solution
The fourth proportional to 2,787,058.56, 3,846,181.68 and 1,563,634.56 is: 2,157,838.62
Step by Step Solution
- Step 1: Write the proportion equation
2,787,058.56 : 3,846,181.68 = 1,563,634.56 : x - Step 2: Convert to fraction form
2,787,058.56/3,846,181.68 = 1,563,634.56/x - Step 3: Cross multiply
2,787,058.56x = 3,846,181.68 × 1,563,634.56 - Step 4: Simplify right side
2,787,058.56x = 6,014,022,598,886.86 - Step 5: Solve for x
x = 6,014,022,598,886.86/2,787,058.56 - Step 6: Final answer
x = 2,157,838.62
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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.