Finding the Fourth Proportional to 3,419,139.46, 5,120,490.19 and 1,955,750.63
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Solution
The fourth proportional to 3,419,139.46, 5,120,490.19 and 1,955,750.63 is: 2,928,924.67
Step by Step Solution
- Step 1: Write the proportion equation
3,419,139.46 : 5,120,490.19 = 1,955,750.63 : x - Step 2: Convert to fraction form
3,419,139.46/5,120,490.19 = 1,955,750.63/x - Step 3: Cross multiply
3,419,139.46x = 5,120,490.19 × 1,955,750.63 - Step 4: Simplify right side
3,419,139.46x = 10,014,401,922,913.17 - Step 5: Solve for x
x = 10,014,401,922,913.17/3,419,139.46 - Step 6: Final answer
x = 2,928,924.67
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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.