Finding the Fourth Proportional to 2,589,465.70, 3,885,364.95 and 1,241,107.30
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Solution
The fourth proportional to 2,589,465.70, 3,885,364.95 and 1,241,107.30 is: 1,862,219.99
Step by Step Solution
- Step 1: Write the proportion equation
2,589,465.70 : 3,885,364.95 = 1,241,107.30 : x - Step 2: Convert to fraction form
2,589,465.70/3,885,364.95 = 1,241,107.30/x - Step 3: Cross multiply
2,589,465.70x = 3,885,364.95 × 1,241,107.30 - Step 4: Simplify right side
2,589,465.70x = 4,822,154,802,609.14 - Step 5: Solve for x
x = 4,822,154,802,609.14/2,589,465.70 - Step 6: Final answer
x = 1,862,219.99
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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.