Finding the Fourth Proportional to 1,962,106.08, 2,707,233.36 and 1,145,846.40
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Solution
The fourth proportional to 1,962,106.08, 2,707,233.36 and 1,145,846.40 is: 1,580,991.79
Step by Step Solution
- Step 1: Write the proportion equation
1,962,106.08 : 2,707,233.36 = 1,145,846.40 : x - Step 2: Convert to fraction form
1,962,106.08/2,707,233.36 = 1,145,846.40/x - Step 3: Cross multiply
1,962,106.08x = 2,707,233.36 × 1,145,846.40 - Step 4: Simplify right side
1,962,106.08x = 3,102,073,599,515.90 - Step 5: Solve for x
x = 3,102,073,599,515.90/1,962,106.08 - Step 6: Final answer
x = 1,580,991.79
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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.