Finding the Fourth Proportional to 5,134,879.56, 7,086,355.18 and 2,843,040.18
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Solution
The fourth proportional to 5,134,879.56, 7,086,355.18 and 2,843,040.18 is: 3,923,518.02
Step by Step Solution
- Step 1: Write the proportion equation
5,134,879.56 : 7,086,355.18 = 2,843,040.18 : x - Step 2: Convert to fraction form
5,134,879.56/7,086,355.18 = 2,843,040.18/x - Step 3: Cross multiply
5,134,879.56x = 7,086,355.18 × 2,843,040.18 - Step 4: Simplify right side
5,134,879.56x = 20,146,792,506,491.13 - Step 5: Solve for x
x = 20,146,792,506,491.13/5,134,879.56 - Step 6: Final answer
x = 3,923,518.02
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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.