Finding the Fourth Proportional to 3,595,905.84, 5,393,128.68 and 1,320,648.24
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Solution
The fourth proportional to 3,595,905.84, 5,393,128.68 and 1,320,648.24 is: 1,980,704.23
Step by Step Solution
- Step 1: Write the proportion equation
3,595,905.84 : 5,393,128.68 = 1,320,648.24 : x - Step 2: Convert to fraction form
3,595,905.84/5,393,128.68 = 1,320,648.24/x - Step 3: Cross multiply
3,595,905.84x = 5,393,128.68 × 1,320,648.24 - Step 4: Simplify right side
3,595,905.84x = 7,122,425,899,335.52 - Step 5: Solve for x
x = 7,122,425,899,335.52/3,595,905.84 - Step 6: Final answer
x = 1,980,704.23
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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.