Finding the Fourth Proportional to 2,591,900.22, 3,887,407.08 and 698,198.70
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Solution
The fourth proportional to 2,591,900.22, 3,887,407.08 and 698,198.70 is: 1,047,178.65
Step by Step Solution
- Step 1: Write the proportion equation
2,591,900.22 : 3,887,407.08 = 698,198.70 : x - Step 2: Convert to fraction form
2,591,900.22/3,887,407.08 = 698,198.70/x - Step 3: Cross multiply
2,591,900.22x = 3,887,407.08 × 698,198.70 - Step 4: Simplify right side
2,591,900.22x = 2,714,182,569,626.80 - Step 5: Solve for x
x = 2,714,182,569,626.80/2,591,900.22 - Step 6: Final answer
x = 1,047,178.65
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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.