Finding the Fourth Proportional to 3,778,408.90, 5,668,418.45 and 1,219,769.26
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Solution
The fourth proportional to 3,778,408.90, 5,668,418.45 and 1,219,769.26 is: 1,829,913.80
Step by Step Solution
- Step 1: Write the proportion equation
3,778,408.90 : 5,668,418.45 = 1,219,769.26 : x - Step 2: Convert to fraction form
3,778,408.90/5,668,418.45 = 1,219,769.26/x - Step 3: Cross multiply
3,778,408.90x = 5,668,418.45 × 1,219,769.26 - Step 4: Simplify right side
3,778,408.90x = 6,914,162,578,126.85 - Step 5: Solve for x
x = 6,914,162,578,126.85/3,778,408.90 - Step 6: Final answer
x = 1,829,913.80
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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.