Finding the Fourth Proportional to 2,385,778.62, 3,292,408.23 and 1,298,050.92
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Solution
The fourth proportional to 2,385,778.62, 3,292,408.23 and 1,298,050.92 is: 1,791,328.62
Step by Step Solution
- Step 1: Write the proportion equation
2,385,778.62 : 3,292,408.23 = 1,298,050.92 : x - Step 2: Convert to fraction form
2,385,778.62/3,292,408.23 = 1,298,050.92/x - Step 3: Cross multiply
2,385,778.62x = 3,292,408.23 × 1,298,050.92 - Step 4: Simplify right side
2,385,778.62x = 4,273,713,531,967.07 - Step 5: Solve for x
x = 4,273,713,531,967.07/2,385,778.62 - Step 6: Final answer
x = 1,791,328.62
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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.