Finding the Fourth Proportional to 4,040,645.65, 6,060,820.82 and 1,200,683.99
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Solution
The fourth proportional to 4,040,645.65, 6,060,820.82 and 1,200,683.99 is: 1,800,982.11
Step by Step Solution
- Step 1: Write the proportion equation
4,040,645.65 : 6,060,820.82 = 1,200,683.99 : x - Step 2: Convert to fraction form
4,040,645.65/6,060,820.82 = 1,200,683.99/x - Step 3: Cross multiply
4,040,645.65x = 6,060,820.82 × 1,200,683.99 - Step 4: Simplify right side
4,040,645.65x = 7,277,130,533,981.30 - Step 5: Solve for x
x = 7,277,130,533,981.30/4,040,645.65 - Step 6: Final answer
x = 1,800,982.11
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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.