Finding the Fourth Proportional to 2,488,057.26, 3,433,408.58 and 1,385,545.55
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Solution
The fourth proportional to 2,488,057.26, 3,433,408.58 and 1,385,545.55 is: 1,911,991.35
Step by Step Solution
- Step 1: Write the proportion equation
2,488,057.26 : 3,433,408.58 = 1,385,545.55 : x - Step 2: Convert to fraction form
2,488,057.26/3,433,408.58 = 1,385,545.55/x - Step 3: Cross multiply
2,488,057.26x = 3,433,408.58 × 1,385,545.55 - Step 4: Simplify right side
2,488,057.26x = 4,757,143,955,256.05 - Step 5: Solve for x
x = 4,757,143,955,256.05/2,488,057.26 - Step 6: Final answer
x = 1,911,991.35
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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.