Finding the Fourth Proportional to 4,442,648.14, 6,664,221.48 and 1,247,525.20
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Solution
The fourth proportional to 4,442,648.14, 6,664,221.48 and 1,247,525.20 is: 1,871,357.79
Step by Step Solution
- Step 1: Write the proportion equation
4,442,648.14 : 6,664,221.48 = 1,247,525.20 : x - Step 2: Convert to fraction form
4,442,648.14/6,664,221.48 = 1,247,525.20/x - Step 3: Cross multiply
4,442,648.14x = 6,664,221.48 × 1,247,525.20 - Step 4: Simplify right side
4,442,648.14x = 8,313,784,206,694.88 - Step 5: Solve for x
x = 8,313,784,206,694.88/4,442,648.14 - Step 6: Final answer
x = 1,871,357.79
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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.