Finding the Fourth Proportional to 5,259,332.70, 7,889,787.45 and 2,226,692.70
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Solution
The fourth proportional to 5,259,332.70, 7,889,787.45 and 2,226,692.70 is: 3,340,372.84
Step by Step Solution
- Step 1: Write the proportion equation
5,259,332.70 : 7,889,787.45 = 2,226,692.70 : x - Step 2: Convert to fraction form
5,259,332.70/7,889,787.45 = 2,226,692.70/x - Step 3: Cross multiply
5,259,332.70x = 7,889,787.45 × 2,226,692.70 - Step 4: Simplify right side
5,259,332.70x = 17,568,132,119,466.62 - Step 5: Solve for x
x = 17,568,132,119,466.62/5,259,332.70 - Step 6: Final answer
x = 3,340,372.84
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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.