Finding the Fourth Proportional to 1,872,515.46, 2,586,716.73 and 1,490,052.90
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Solution
The fourth proportional to 1,872,515.46, 2,586,716.73 and 1,490,052.90 is: 2,058,378.07
Step by Step Solution
- Step 1: Write the proportion equation
1,872,515.46 : 2,586,716.73 = 1,490,052.90 : x - Step 2: Convert to fraction form
1,872,515.46/2,586,716.73 = 1,490,052.90/x - Step 3: Cross multiply
1,872,515.46x = 2,586,716.73 × 1,490,052.90 - Step 4: Simplify right side
1,872,515.46x = 3,854,344,765,015.02 - Step 5: Solve for x
x = 3,854,344,765,015.02/1,872,515.46 - Step 6: Final answer
x = 2,058,378.07
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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.