Finding the Fourth Proportional to 2,838,418.21, 4,259,507.70 and 1,559,918.57
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Solution
The fourth proportional to 2,838,418.21, 4,259,507.70 and 1,559,918.57 is: 2,340,911.27
Step by Step Solution
- Step 1: Write the proportion equation
2,838,418.21 : 4,259,507.70 = 1,559,918.57 : x - Step 2: Convert to fraction form
2,838,418.21/4,259,507.70 = 1,559,918.57/x - Step 3: Cross multiply
2,838,418.21x = 4,259,507.70 × 1,559,918.57 - Step 4: Simplify right side
2,838,418.21x = 6,644,485,160,287.99 - Step 5: Solve for x
x = 6,644,485,160,287.99/2,838,418.21 - Step 6: Final answer
x = 2,340,911.27
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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.