Finding the Fourth Proportional to 2,077,281.92, 2,866,781.76 and 1,171,533.44
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Solution
The fourth proportional to 2,077,281.92, 2,866,781.76 and 1,171,533.44 is: 1,616,790.99
Step by Step Solution
- Step 1: Write the proportion equation
2,077,281.92 : 2,866,781.76 = 1,171,533.44 : x - Step 2: Convert to fraction form
2,077,281.92/2,866,781.76 = 1,171,533.44/x - Step 3: Cross multiply
2,077,281.92x = 2,866,781.76 × 1,171,533.44 - Step 4: Simplify right side
2,077,281.92x = 3,358,530,697,022.05 - Step 5: Solve for x
x = 3,358,530,697,022.05/2,077,281.92 - Step 6: Final answer
x = 1,616,790.99
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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.