Finding the Fourth Proportional to 4,258,435.63, 6,388,660.19 and 1,379,797.63
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Solution
The fourth proportional to 4,258,435.63, 6,388,660.19 and 1,379,797.63 is: 2,070,022.65
Step by Step Solution
- Step 1: Write the proportion equation
4,258,435.63 : 6,388,660.19 = 1,379,797.63 : x - Step 2: Convert to fraction form
4,258,435.63/6,388,660.19 = 1,379,797.63/x - Step 3: Cross multiply
4,258,435.63x = 6,388,660.19 × 1,379,797.63 - Step 4: Simplify right side
4,258,435.63x = 8,815,058,189,037.35 - Step 5: Solve for x
x = 8,815,058,189,037.35/4,258,435.63 - Step 6: Final answer
x = 2,070,022.65
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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.