Finding the Fourth Proportional to 2,591,873.51, 3,887,367.23 and 698,172.08
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Solution
The fourth proportional to 2,591,873.51, 3,887,367.23 and 698,172.08 is: 1,047,138.78
Step by Step Solution
- Step 1: Write the proportion equation
2,591,873.51 : 3,887,367.23 = 698,172.08 : x - Step 2: Convert to fraction form
2,591,873.51/3,887,367.23 = 698,172.08/x - Step 3: Cross multiply
2,591,873.51x = 3,887,367.23 × 698,172.08 - Step 4: Simplify right side
2,591,873.51x = 2,714,051,247,001.53 - Step 5: Solve for x
x = 2,714,051,247,001.53/2,591,873.51 - Step 6: Final answer
x = 1,047,138.78
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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.