Finding the Fourth Proportional to 1,446,307.11, 2,168,585.60 and 647,439.75
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Solution
The fourth proportional to 1,446,307.11, 2,168,585.60 and 647,439.75 is: 970,767.90
Step by Step Solution
- Step 1: Write the proportion equation
1,446,307.11 : 2,168,585.60 = 647,439.75 : x - Step 2: Convert to fraction form
1,446,307.11/2,168,585.60 = 647,439.75/x - Step 3: Cross multiply
1,446,307.11x = 2,168,585.60 × 647,439.75 - Step 4: Simplify right side
1,446,307.11x = 1,404,028,515,480.40 - Step 5: Solve for x
x = 1,404,028,515,480.40/1,446,307.11 - Step 6: Final answer
x = 970,767.90
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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.