Finding the Fourth Proportional to 2,257,181.49, 3,384,197.55 and 836,856.21
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Solution
The fourth proportional to 2,257,181.49, 3,384,197.55 and 836,856.21 is: 1,254,700.50
Step by Step Solution
- Step 1: Write the proportion equation
2,257,181.49 : 3,384,197.55 = 836,856.21 : x - Step 2: Convert to fraction form
2,257,181.49/3,384,197.55 = 836,856.21/x - Step 3: Cross multiply
2,257,181.49x = 3,384,197.55 × 836,856.21 - Step 4: Simplify right side
2,257,181.49x = 2,832,086,735,584.29 - Step 5: Solve for x
x = 2,832,086,735,584.29/2,257,181.49 - Step 6: Final answer
x = 1,254,700.50
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1.5x scale
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.