Finding the Fourth Proportional to 2,591,567.10, 3,889,294.65 and 1,328,744.70
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Solution
The fourth proportional to 2,591,567.10, 3,889,294.65 and 1,328,744.70 is: 1,994,113.77
Step by Step Solution
- Step 1: Write the proportion equation
2,591,567.10 : 3,889,294.65 = 1,328,744.70 : x - Step 2: Convert to fraction form
2,591,567.10/3,889,294.65 = 1,328,744.70/x - Step 3: Cross multiply
2,591,567.10x = 3,889,294.65 × 1,328,744.70 - Step 4: Simplify right side
2,591,567.10x = 5,167,879,652,925.85 - Step 5: Solve for x
x = 5,167,879,652,925.85/2,591,567.10 - Step 6: Final answer
x = 1,994,113.77
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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.