Finding the Fourth Proportional to 3,474,879.41, 5,208,643.98 and 1,285,041.87
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Solution
The fourth proportional to 3,474,879.41, 5,208,643.98 and 1,285,041.87 is: 1,926,203.71
Step by Step Solution
- Step 1: Write the proportion equation
3,474,879.41 : 5,208,643.98 = 1,285,041.87 : x - Step 2: Convert to fraction form
3,474,879.41/5,208,643.98 = 1,285,041.87/x - Step 3: Cross multiply
3,474,879.41x = 5,208,643.98 × 1,285,041.87 - Step 4: Simplify right side
3,474,879.41x = 6,693,325,600,223.44 - Step 5: Solve for x
x = 6,693,325,600,223.44/3,474,879.41 - Step 6: Final answer
x = 1,926,203.71
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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.