Finding the Fourth Proportional to 4,129,267.20, 6,193,900.80 and 2,239,699.20
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Solution
The fourth proportional to 4,129,267.20, 6,193,900.80 and 2,239,699.20 is: 3,359,548.80
Step by Step Solution
- Step 1: Write the proportion equation
4,129,267.20 : 6,193,900.80 = 2,239,699.20 : x - Step 2: Convert to fraction form
4,129,267.20/6,193,900.80 = 2,239,699.20/x - Step 3: Cross multiply
4,129,267.20x = 6,193,900.80 × 2,239,699.20 - Step 4: Simplify right side
4,129,267.20x = 13,872,474,666,639.36 - Step 5: Solve for x
x = 13,872,474,666,639.36/4,129,267.20 - Step 6: Final answer
x = 3,359,548.80
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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.