Finding the Fourth Proportional to 3,733,867.17, 5,601,189.99 and 1,428,355.80
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Solution
The fourth proportional to 3,733,867.17, 5,601,189.99 and 1,428,355.80 is: 2,142,682.60
Step by Step Solution
- Step 1: Write the proportion equation
3,733,867.17 : 5,601,189.99 = 1,428,355.80 : x - Step 2: Convert to fraction form
3,733,867.17/5,601,189.99 = 1,428,355.80/x - Step 3: Cross multiply
3,733,867.17x = 5,601,189.99 × 1,428,355.80 - Step 4: Simplify right side
3,733,867.17x = 8,000,492,209,118.44 - Step 5: Solve for x
x = 8,000,492,209,118.44/3,733,867.17 - Step 6: Final answer
x = 2,142,682.60
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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.