Finding the Fourth Proportional to 2,125,450.12, 3,188,875.08 and 862,938.76
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Solution
The fourth proportional to 2,125,450.12, 3,188,875.08 and 862,938.76 is: 1,294,692.30
Step by Step Solution
- Step 1: Write the proportion equation
2,125,450.12 : 3,188,875.08 = 862,938.76 : x - Step 2: Convert to fraction form
2,125,450.12/3,188,875.08 = 862,938.76/x - Step 3: Cross multiply
2,125,450.12x = 3,188,875.08 × 862,938.76 - Step 4: Simplify right side
2,125,450.12x = 2,751,803,907,330.10 - Step 5: Solve for x
x = 2,751,803,907,330.10/2,125,450.12 - Step 6: Final answer
x = 1,294,692.30
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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.