Finding the Fourth Proportional to 4,090,209.28, 6,134,649.42 and 1,931,230.23
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Solution
The fourth proportional to 4,090,209.28, 6,134,649.42 and 1,931,230.23 is: 2,896,531.60
Step by Step Solution
- Step 1: Write the proportion equation
4,090,209.28 : 6,134,649.42 = 1,931,230.23 : x - Step 2: Convert to fraction form
4,090,209.28/6,134,649.42 = 1,931,230.23/x - Step 3: Cross multiply
4,090,209.28x = 6,134,649.42 × 1,931,230.23 - Step 4: Simplify right side
4,090,209.28x = 11,847,420,410,355.97 - Step 5: Solve for x
x = 11,847,420,410,355.97/4,090,209.28 - Step 6: Final answer
x = 2,896,531.60
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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.