Finding the Fourth Proportional to 2,247,281.76, 3,100,489.12 and 1,279,726.08
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Solution
The fourth proportional to 2,247,281.76, 3,100,489.12 and 1,279,726.08 is: 1,765,589.37
Step by Step Solution
- Step 1: Write the proportion equation
2,247,281.76 : 3,100,489.12 = 1,279,726.08 : x - Step 2: Convert to fraction form
2,247,281.76/3,100,489.12 = 1,279,726.08/x - Step 3: Cross multiply
2,247,281.76x = 3,100,489.12 × 1,279,726.08 - Step 4: Simplify right side
2,247,281.76x = 3,967,776,787,620.25 - Step 5: Solve for x
x = 3,967,776,787,620.25/2,247,281.76 - Step 6: Final answer
x = 1,765,589.37
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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.