Finding the Fourth Proportional to 2,343,355.85, 3,511,594.84 and 1,320,677.05
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Solution
The fourth proportional to 2,343,355.85, 3,511,594.84 and 1,320,677.05 is: 1,979,077.45
Step by Step Solution
- Step 1: Write the proportion equation
2,343,355.85 : 3,511,594.84 = 1,320,677.05 : x - Step 2: Convert to fraction form
2,343,355.85/3,511,594.84 = 1,320,677.05/x - Step 3: Cross multiply
2,343,355.85x = 3,511,594.84 × 1,320,677.05 - Step 4: Simplify right side
2,343,355.85x = 4,637,682,706,958.28 - Step 5: Solve for x
x = 4,637,682,706,958.28/2,343,355.85 - Step 6: Final answer
x = 1,979,077.45
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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.