Finding the Fourth Proportional to 3,824,029.11, 5,736,201.95 and 1,128,354.31
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Solution
The fourth proportional to 3,824,029.11, 5,736,201.95 and 1,128,354.31 is: 1,692,578.17
Step by Step Solution
- Step 1: Write the proportion equation
3,824,029.11 : 5,736,201.95 = 1,128,354.31 : x - Step 2: Convert to fraction form
3,824,029.11/5,736,201.95 = 1,128,354.31/x - Step 3: Cross multiply
3,824,029.11x = 5,736,201.95 × 1,128,354.31 - Step 4: Simplify right side
3,824,029.11x = 6,472,468,193,312.91 - Step 5: Solve for x
x = 6,472,468,193,312.91/3,824,029.11 - Step 6: Final answer
x = 1,692,578.17
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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.