Finding the Fourth Proportional to 4,171,829.40, 6,260,076.90 and 1,775,266.20
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Solution
The fourth proportional to 4,171,829.40, 6,260,076.90 and 1,775,266.20 is: 2,663,891.99
Step by Step Solution
- Step 1: Write the proportion equation
4,171,829.40 : 6,260,076.90 = 1,775,266.20 : x - Step 2: Convert to fraction form
4,171,829.40/6,260,076.90 = 1,775,266.20/x - Step 3: Cross multiply
4,171,829.40x = 6,260,076.90 × 1,775,266.20 - Step 4: Simplify right side
4,171,829.40x = 11,113,302,929,970.78 - Step 5: Solve for x
x = 11,113,302,929,970.78/4,171,829.40 - Step 6: Final answer
x = 2,663,891.99
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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.