Finding the Fourth Proportional to 2,793,961.44, 3,856,130.64 and 1,648,323.36
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Solution
The fourth proportional to 2,793,961.44, 3,856,130.64 and 1,648,323.36 is: 2,274,959.89
Step by Step Solution
- Step 1: Write the proportion equation
2,793,961.44 : 3,856,130.64 = 1,648,323.36 : x - Step 2: Convert to fraction form
2,793,961.44/3,856,130.64 = 1,648,323.36/x - Step 3: Cross multiply
2,793,961.44x = 3,856,130.64 × 1,648,323.36 - Step 4: Simplify right side
2,793,961.44x = 6,356,150,213,123.75 - Step 5: Solve for x
x = 6,356,150,213,123.75/2,793,961.44 - Step 6: Final answer
x = 2,274,959.89
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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.