Finding the Fourth Proportional to 2,519,011.19, 3,778,516.01 and 813,405.42
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Solution
The fourth proportional to 2,519,011.19, 3,778,516.01 and 813,405.42 is: 1,220,107.88
Step by Step Solution
- Step 1: Write the proportion equation
2,519,011.19 : 3,778,516.01 = 813,405.42 : x - Step 2: Convert to fraction form
2,519,011.19/3,778,516.01 = 813,405.42/x - Step 3: Cross multiply
2,519,011.19x = 3,778,516.01 × 813,405.42 - Step 4: Simplify right side
2,519,011.19x = 3,073,465,398,023.75 - Step 5: Solve for x
x = 3,073,465,398,023.75/2,519,011.19 - Step 6: Final answer
x = 1,220,107.88
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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.