Finding the Fourth Proportional to 2,081,353.86, 2,873,153.68 and 1,265,819.49
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Solution
The fourth proportional to 2,081,353.86, 2,873,153.68 and 1,265,819.49 is: 1,747,369.34
Step by Step Solution
- Step 1: Write the proportion equation
2,081,353.86 : 2,873,153.68 = 1,265,819.49 : x - Step 2: Convert to fraction form
2,081,353.86/2,873,153.68 = 1,265,819.49/x - Step 3: Cross multiply
2,081,353.86x = 2,873,153.68 × 1,265,819.49 - Step 4: Simplify right side
2,081,353.86x = 3,636,893,922,744.68 - Step 5: Solve for x
x = 3,636,893,922,744.68/2,081,353.86 - Step 6: Final answer
x = 1,747,369.34
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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.