Finding the Fourth Proportional to 2,130,342.60, 3,193,958.70 and 867,520.20
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Solution
The fourth proportional to 2,130,342.60, 3,193,958.70 and 867,520.20 is: 1,300,646.99
Step by Step Solution
- Step 1: Write the proportion equation
2,130,342.60 : 3,193,958.70 = 867,520.20 : x - Step 2: Convert to fraction form
2,130,342.60/3,193,958.70 = 867,520.20/x - Step 3: Cross multiply
2,130,342.60x = 3,193,958.70 × 867,520.20 - Step 4: Simplify right side
2,130,342.60x = 2,770,823,690,215.74 - Step 5: Solve for x
x = 2,770,823,690,215.74/2,130,342.60 - Step 6: Final answer
x = 1,300,646.99
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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.