Finding the Fourth Proportional to 2,124,783.16, 2,932,115.44 and 1,157,892.84
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Solution
The fourth proportional to 2,124,783.16, 2,932,115.44 and 1,157,892.84 is: 1,597,845.62
Step by Step Solution
- Step 1: Write the proportion equation
2,124,783.16 : 2,932,115.44 = 1,157,892.84 : x - Step 2: Convert to fraction form
2,124,783.16/2,932,115.44 = 1,157,892.84/x - Step 3: Cross multiply
2,124,783.16x = 2,932,115.44 × 1,157,892.84 - Step 4: Simplify right side
2,124,783.16x = 3,395,075,474,029.45 - Step 5: Solve for x
x = 3,395,075,474,029.45/2,124,783.16 - Step 6: Final answer
x = 1,597,845.62
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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.