Finding the Fourth Proportional to 1,810,000.76, 2,497,844.18 and 994,221.53
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Solution
The fourth proportional to 1,810,000.76, 2,497,844.18 and 994,221.53 is: 1,372,049.41
Step by Step Solution
- Step 1: Write the proportion equation
1,810,000.76 : 2,497,844.18 = 994,221.53 : x - Step 2: Convert to fraction form
1,810,000.76/2,497,844.18 = 994,221.53/x - Step 3: Cross multiply
1,810,000.76x = 2,497,844.18 × 994,221.53 - Step 4: Simplify right side
1,810,000.76x = 2,483,410,467,343.03 - Step 5: Solve for x
x = 2,483,410,467,343.03/1,810,000.76 - Step 6: Final answer
x = 1,372,049.41
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.