Finding the Fourth Proportional to 4,203,040.80, 6,309,226.80 and 2,607,405.60
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Solution
The fourth proportional to 4,203,040.80, 6,309,226.80 and 2,607,405.60 is: 3,914,002.76
Step by Step Solution
- Step 1: Write the proportion equation
4,203,040.80 : 6,309,226.80 = 2,607,405.60 : x - Step 2: Convert to fraction form
4,203,040.80/6,309,226.80 = 2,607,405.60/x - Step 3: Cross multiply
4,203,040.80x = 6,309,226.80 × 2,607,405.60 - Step 4: Simplify right side
4,203,040.80x = 16,450,713,289,990.08 - Step 5: Solve for x
x = 16,450,713,289,990.08/4,203,040.80 - Step 6: Final answer
x = 3,914,002.76
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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.