Finding the Fourth Proportional to 6,148,620.90, 8,484,879.60 and 3,395,260.80
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Solution
The fourth proportional to 6,148,620.90, 8,484,879.60 and 3,395,260.80 is: 4,685,339.94
Step by Step Solution
- Step 1: Write the proportion equation
6,148,620.90 : 8,484,879.60 = 3,395,260.80 : x - Step 2: Convert to fraction form
6,148,620.90/8,484,879.60 = 3,395,260.80/x - Step 3: Cross multiply
6,148,620.90x = 8,484,879.60 × 3,395,260.80 - Step 4: Simplify right side
6,148,620.90x = 28,808,379,098,599.68 - Step 5: Solve for x
x = 28,808,379,098,599.68/6,148,620.90 - Step 6: Final answer
x = 4,685,339.94
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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.