Finding the Fourth Proportional to 4,192,395.37, 6,288,594.57 and 1,313,985.54
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Solution
The fourth proportional to 4,192,395.37, 6,288,594.57 and 1,313,985.54 is: 1,970,978.79
Step by Step Solution
- Step 1: Write the proportion equation
4,192,395.37 : 6,288,594.57 = 1,313,985.54 : x - Step 2: Convert to fraction form
4,192,395.37/6,288,594.57 = 1,313,985.54/x - Step 3: Cross multiply
4,192,395.37x = 6,288,594.57 × 1,313,985.54 - Step 4: Simplify right side
4,192,395.37x = 8,263,122,355,484.75 - Step 5: Solve for x
x = 8,263,122,355,484.75/4,192,395.37 - Step 6: Final answer
x = 1,970,978.79
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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.