Finding the Fourth Proportional to 2,489,593.52, 3,435,744.68 and 1,387,023.95
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Solution
The fourth proportional to 2,489,593.52, 3,435,744.68 and 1,387,023.95 is: 1,914,151.89
Step by Step Solution
- Step 1: Write the proportion equation
2,489,593.52 : 3,435,744.68 = 1,387,023.95 : x - Step 2: Convert to fraction form
2,489,593.52/3,435,744.68 = 1,387,023.95/x - Step 3: Cross multiply
2,489,593.52x = 3,435,744.68 × 1,387,023.95 - Step 4: Simplify right side
2,489,593.52x = 4,765,460,140,893.48 - Step 5: Solve for x
x = 4,765,460,140,893.48/2,489,593.52 - Step 6: Final answer
x = 1,914,151.89
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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.