Finding the Fourth Proportional to 1,425,825.19, 2,134,441.23 and 919,378.88
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Solution
The fourth proportional to 1,425,825.19, 2,134,441.23 and 919,378.88 is: 1,376,297.88
Step by Step Solution
- Step 1: Write the proportion equation
1,425,825.19 : 2,134,441.23 = 919,378.88 : x - Step 2: Convert to fraction form
1,425,825.19/2,134,441.23 = 919,378.88/x - Step 3: Cross multiply
1,425,825.19x = 2,134,441.23 × 919,378.88 - Step 4: Simplify right side
1,425,825.19x = 1,962,360,187,463.22 - Step 5: Solve for x
x = 1,962,360,187,463.22/1,425,825.19 - Step 6: Final answer
x = 1,376,297.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.