Finding the Fourth Proportional to 3,425,801.77, 5,138,340.55 and 1,805,921.63
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Solution
The fourth proportional to 3,425,801.77, 5,138,340.55 and 1,805,921.63 is: 2,708,691.56
Step by Step Solution
- Step 1: Write the proportion equation
3,425,801.77 : 5,138,340.55 = 1,805,921.63 : x - Step 2: Convert to fraction form
3,425,801.77/5,138,340.55 = 1,805,921.63/x - Step 3: Cross multiply
3,425,801.77x = 5,138,340.55 × 1,805,921.63 - Step 4: Simplify right side
3,425,801.77x = 9,279,440,340,771.67 - Step 5: Solve for x
x = 9,279,440,340,771.67/3,425,801.77 - Step 6: Final answer
x = 2,708,691.56
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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.