Finding the Fourth Proportional to 2,819,437.22, 3,890,827.64 and 1,530,278.08
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Solution
The fourth proportional to 2,819,437.22, 3,890,827.64 and 1,530,278.08 is: 2,111,786.07
Step by Step Solution
- Step 1: Write the proportion equation
2,819,437.22 : 3,890,827.64 = 1,530,278.08 : x - Step 2: Convert to fraction form
2,819,437.22/3,890,827.64 = 1,530,278.08/x - Step 3: Cross multiply
2,819,437.22x = 3,890,827.64 × 1,530,278.08 - Step 4: Simplify right side
2,819,437.22x = 5,954,048,250,550.13 - Step 5: Solve for x
x = 5,954,048,250,550.13/2,819,437.22 - Step 6: Final answer
x = 2,111,786.07
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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.