Finding the Fourth Proportional to 4,303,877.20, 6,455,124.60 and 1,311,365.20
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Solution
The fourth proportional to 4,303,877.20, 6,455,124.60 and 1,311,365.20 is: 1,966,837.20
Step by Step Solution
- Step 1: Write the proportion equation
4,303,877.20 : 6,455,124.60 = 1,311,365.20 : x - Step 2: Convert to fraction form
4,303,877.20/6,455,124.60 = 1,311,365.20/x - Step 3: Cross multiply
4,303,877.20x = 6,455,124.60 × 1,311,365.20 - Step 4: Simplify right side
4,303,877.20x = 8,465,025,762,103.92 - Step 5: Solve for x
x = 8,465,025,762,103.92/4,303,877.20 - Step 6: Final answer
x = 1,966,837.20
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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.