Finding the Fourth Proportional to 2,479,079.18, 3,421,463.11 and 1,391,410.26
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Solution
The fourth proportional to 2,479,079.18, 3,421,463.11 and 1,391,410.26 is: 1,920,333.53
Step by Step Solution
- Step 1: Write the proportion equation
2,479,079.18 : 3,421,463.11 = 1,391,410.26 : x - Step 2: Convert to fraction form
2,479,079.18/3,421,463.11 = 1,391,410.26/x - Step 3: Cross multiply
2,479,079.18x = 3,421,463.11 × 1,391,410.26 - Step 4: Simplify right side
2,479,079.18x = 4,760,658,871,986.98 - Step 5: Solve for x
x = 4,760,658,871,986.98/2,479,079.18 - Step 6: Final answer
x = 1,920,333.53
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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.