Finding the Fourth Proportional to 1,467,423.60, 2,201,135.40 and 1,270,593.60
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Solution
The fourth proportional to 1,467,423.60, 2,201,135.40 and 1,270,593.60 is: 1,905,890.40
Step by Step Solution
- Step 1: Write the proportion equation
1,467,423.60 : 2,201,135.40 = 1,270,593.60 : x - Step 2: Convert to fraction form
1,467,423.60/2,201,135.40 = 1,270,593.60/x - Step 3: Cross multiply
1,467,423.60x = 2,201,135.40 × 1,270,593.60 - Step 4: Simplify right side
1,467,423.60x = 2,796,748,551,973.44 - Step 5: Solve for x
x = 2,796,748,551,973.44/1,467,423.60 - Step 6: Final answer
x = 1,905,890.40
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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.