Finding the Fourth Proportional to 2,119,112.68, 3,179,325.12 and 734,364.40
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Solution
The fourth proportional to 2,119,112.68, 3,179,325.12 and 734,364.40 is: 1,101,773.97
Step by Step Solution
- Step 1: Write the proportion equation
2,119,112.68 : 3,179,325.12 = 734,364.40 : x - Step 2: Convert to fraction form
2,119,112.68/3,179,325.12 = 734,364.40/x - Step 3: Cross multiply
2,119,112.68x = 3,179,325.12 × 734,364.40 - Step 4: Simplify right side
2,119,112.68x = 2,334,783,184,153.73 - Step 5: Solve for x
x = 2,334,783,184,153.73/2,119,112.68 - Step 6: Final answer
x = 1,101,773.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.