Finding the Fourth Proportional to 1,479,244.12, 2,040,808.98 and 1,092,990.76
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Solution
The fourth proportional to 1,479,244.12, 2,040,808.98 and 1,092,990.76 is: 1,507,922.41
Step by Step Solution
- Step 1: Write the proportion equation
1,479,244.12 : 2,040,808.98 = 1,092,990.76 : x - Step 2: Convert to fraction form
1,479,244.12/2,040,808.98 = 1,092,990.76/x - Step 3: Cross multiply
1,479,244.12x = 2,040,808.98 × 1,092,990.76 - Step 4: Simplify right side
1,479,244.12x = 2,230,585,358,065.03 - Step 5: Solve for x
x = 2,230,585,358,065.03/1,479,244.12 - Step 6: Final answer
x = 1,507,922.41
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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.