Finding the Fourth Proportional to 4,621,739.60, 6,379,604.04 and 3,176,220.08
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Solution
The fourth proportional to 4,621,739.60, 6,379,604.04 and 3,176,220.08 is: 4,384,285.62
Step by Step Solution
- Step 1: Write the proportion equation
4,621,739.60 : 6,379,604.04 = 3,176,220.08 : x - Step 2: Convert to fraction form
4,621,739.60/6,379,604.04 = 3,176,220.08/x - Step 3: Cross multiply
4,621,739.60x = 6,379,604.04 × 3,176,220.08 - Step 4: Simplify right side
4,621,739.60x = 20,263,026,454,297.12 - Step 5: Solve for x
x = 20,263,026,454,297.12/4,621,739.60 - Step 6: Final answer
x = 4,384,285.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.