Finding the Fourth Proportional to 1,908,850.36, 2,863,126.64 and 1,109,622.12
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Solution
The fourth proportional to 1,908,850.36, 2,863,126.64 and 1,109,622.12 is: 1,664,346.62
Step by Step Solution
- Step 1: Write the proportion equation
1,908,850.36 : 2,863,126.64 = 1,109,622.12 : x - Step 2: Convert to fraction form
1,908,850.36/2,863,126.64 = 1,109,622.12/x - Step 3: Cross multiply
1,908,850.36x = 2,863,126.64 × 1,109,622.12 - Step 4: Simplify right side
1,908,850.36x = 3,176,988,652,105.28 - Step 5: Solve for x
x = 3,176,988,652,105.28/1,908,850.36 - Step 6: Final answer
x = 1,664,346.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.