Finding the Fourth Proportional to 4,025,372.20, 6,036,308.70 and 1,328,655.40
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Solution
The fourth proportional to 4,025,372.20, 6,036,308.70 and 1,328,655.40 is: 1,992,405.61
Step by Step Solution
- Step 1: Write the proportion equation
4,025,372.20 : 6,036,308.70 = 1,328,655.40 : x - Step 2: Convert to fraction form
4,025,372.20/6,036,308.70 = 1,328,655.40/x - Step 3: Cross multiply
4,025,372.20x = 6,036,308.70 × 1,328,655.40 - Step 4: Simplify right side
4,025,372.20x = 8,020,174,150,321.98 - Step 5: Solve for x
x = 8,020,174,150,321.98/4,025,372.20 - Step 6: Final answer
x = 1,992,405.61
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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.