Finding the Fourth Proportional to 5,917,281.53, 8,165,769.12 and 3,303,825.75
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Solution
The fourth proportional to 5,917,281.53, 8,165,769.12 and 3,303,825.75 is: 4,559,235.21
Step by Step Solution
- Step 1: Write the proportion equation
5,917,281.53 : 8,165,769.12 = 3,303,825.75 : x - Step 2: Convert to fraction form
5,917,281.53/8,165,769.12 = 3,303,825.75/x - Step 3: Cross multiply
5,917,281.53x = 8,165,769.12 × 3,303,825.75 - Step 4: Simplify right side
5,917,281.53x = 26,978,278,287,210.84 - Step 5: Solve for x
x = 26,978,278,287,210.84/5,917,281.53 - Step 6: Final answer
x = 4,559,235.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.