Finding the Fourth Proportional to 3,407,725.70, 5,107,246.95 and 1,811,053.70
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Solution
The fourth proportional to 3,407,725.70, 5,107,246.95 and 1,811,053.70 is: 2,714,273.18
Step by Step Solution
- Step 1: Write the proportion equation
3,407,725.70 : 5,107,246.95 = 1,811,053.70 : x - Step 2: Convert to fraction form
3,407,725.70/5,107,246.95 = 1,811,053.70/x - Step 3: Cross multiply
3,407,725.70x = 5,107,246.95 × 1,811,053.70 - Step 4: Simplify right side
3,407,725.70x = 9,249,498,485,611.22 - Step 5: Solve for x
x = 9,249,498,485,611.22/3,407,725.70 - Step 6: Final answer
x = 2,714,273.18
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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.