Finding the Fourth Proportional to 3,576,159.96, 5,357,489.72 and 2,112,840.05
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Solution
The fourth proportional to 3,576,159.96, 5,357,489.72 and 2,112,840.05 is: 3,165,271.96
Step by Step Solution
- Step 1: Write the proportion equation
3,576,159.96 : 5,357,489.72 = 2,112,840.05 : x - Step 2: Convert to fraction form
3,576,159.96/5,357,489.72 = 2,112,840.05/x - Step 3: Cross multiply
3,576,159.96x = 5,357,489.72 × 2,112,840.05 - Step 4: Simplify right side
3,576,159.96x = 11,319,518,847,879.29 - Step 5: Solve for x
x = 11,319,518,847,879.29/3,576,159.96 - Step 6: Final answer
x = 3,165,271.96
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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.