Finding the Fourth Proportional to 2,912,151.14, 4,368,226.73 and 890,395.10
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Solution
The fourth proportional to 2,912,151.14, 4,368,226.73 and 890,395.10 is: 1,335,592.66
Step by Step Solution
- Step 1: Write the proportion equation
2,912,151.14 : 4,368,226.73 = 890,395.10 : x - Step 2: Convert to fraction form
2,912,151.14/4,368,226.73 = 890,395.10/x - Step 3: Cross multiply
2,912,151.14x = 4,368,226.73 × 890,395.10 - Step 4: Simplify right side
2,912,151.14x = 3,889,447,676,081.02 - Step 5: Solve for x
x = 3,889,447,676,081.02/2,912,151.14 - Step 6: Final answer
x = 1,335,592.66
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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.