Finding the Fourth Proportional to 3,879,898.56, 5,354,529.12 and 2,352,070.08
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Solution
The fourth proportional to 3,879,898.56, 5,354,529.12 and 2,352,070.08 is: 3,246,019.85
Step by Step Solution
- Step 1: Write the proportion equation
3,879,898.56 : 5,354,529.12 = 2,352,070.08 : x - Step 2: Convert to fraction form
3,879,898.56/5,354,529.12 = 2,352,070.08/x - Step 3: Cross multiply
3,879,898.56x = 5,354,529.12 × 2,352,070.08 - Step 4: Simplify right side
3,879,898.56x = 12,594,227,735,640.73 - Step 5: Solve for x
x = 12,594,227,735,640.73/3,879,898.56 - Step 6: Final answer
x = 3,246,019.85
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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.