Finding the Fourth Proportional to 2,652,263.57, 3,978,423.09 and 2,123,148.08
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Solution
The fourth proportional to 2,652,263.57, 3,978,423.09 and 2,123,148.08 is: 3,184,744.32
Step by Step Solution
- Step 1: Write the proportion equation
2,652,263.57 : 3,978,423.09 = 2,123,148.08 : x - Step 2: Convert to fraction form
2,652,263.57/3,978,423.09 = 2,123,148.08/x - Step 3: Cross multiply
2,652,263.57x = 3,978,423.09 × 2,123,148.08 - Step 4: Simplify right side
2,652,263.57x = 8,446,781,325,069.05 - Step 5: Solve for x
x = 8,446,781,325,069.05/2,652,263.57 - Step 6: Final answer
x = 3,184,744.32
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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.