Finding the Fourth Proportional to 2,486,134.20, 3,729,201.30 and 2,087,225.40
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Solution
The fourth proportional to 2,486,134.20, 3,729,201.30 and 2,087,225.40 is: 3,130,838.10
Step by Step Solution
- Step 1: Write the proportion equation
2,486,134.20 : 3,729,201.30 = 2,087,225.40 : x - Step 2: Convert to fraction form
2,486,134.20/3,729,201.30 = 2,087,225.40/x - Step 3: Cross multiply
2,486,134.20x = 3,729,201.30 × 2,087,225.40 - Step 4: Simplify right side
2,486,134.20x = 7,783,683,675,073.02 - Step 5: Solve for x
x = 7,783,683,675,073.02/2,486,134.20 - Step 6: Final answer
x = 3,130,838.10
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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.