Finding the Fourth Proportional to 2,589,913.30, 3,884,869.95 and 1,330,201.30
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Solution
The fourth proportional to 2,589,913.30, 3,884,869.95 and 1,330,201.30 is: 1,995,301.95
Step by Step Solution
- Step 1: Write the proportion equation
2,589,913.30 : 3,884,869.95 = 1,330,201.30 : x - Step 2: Convert to fraction form
2,589,913.30/3,884,869.95 = 1,330,201.30/x - Step 3: Cross multiply
2,589,913.30x = 3,884,869.95 × 1,330,201.30 - Step 4: Simplify right side
2,589,913.30x = 5,167,659,057,820.94 - Step 5: Solve for x
x = 5,167,659,057,820.94/2,589,913.30 - Step 6: Final answer
x = 1,995,301.95
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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.