Finding the Fourth Proportional to 2,534,777.28, 3,498,132.72 and 1,447,398.15
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Solution
The fourth proportional to 2,534,777.28, 3,498,132.72 and 1,447,398.15 is: 1,997,489.43
Step by Step Solution
- Step 1: Write the proportion equation
2,534,777.28 : 3,498,132.72 = 1,447,398.15 : x - Step 2: Convert to fraction form
2,534,777.28/3,498,132.72 = 1,447,398.15/x - Step 3: Cross multiply
2,534,777.28x = 3,498,132.72 × 1,447,398.15 - Step 4: Simplify right side
2,534,777.28x = 5,063,190,819,692.21 - Step 5: Solve for x
x = 5,063,190,819,692.21/2,534,777.28 - Step 6: Final answer
x = 1,997,489.43
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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.