Finding the Fourth Proportional to 2,871,214.80, 3,962,453.28 and 1,582,054.80
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Solution
The fourth proportional to 2,871,214.80, 3,962,453.28 and 1,582,054.80 is: 2,183,333.07
Step by Step Solution
- Step 1: Write the proportion equation
2,871,214.80 : 3,962,453.28 = 1,582,054.80 : x - Step 2: Convert to fraction form
2,871,214.80/3,962,453.28 = 1,582,054.80/x - Step 3: Cross multiply
2,871,214.80x = 3,962,453.28 × 1,582,054.80 - Step 4: Simplify right side
2,871,214.80x = 6,268,818,231,399.74 - Step 5: Solve for x
x = 6,268,818,231,399.74/2,871,214.80 - Step 6: Final answer
x = 2,183,333.07
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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.