Finding the Fourth Proportional to 2,086,136.20, 3,130,370.70 and 887,854.60
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Solution
The fourth proportional to 2,086,136.20, 3,130,370.70 and 887,854.60 is: 1,332,278.32
Step by Step Solution
- Step 1: Write the proportion equation
2,086,136.20 : 3,130,370.70 = 887,854.60 : x - Step 2: Convert to fraction form
2,086,136.20/3,130,370.70 = 887,854.60/x - Step 3: Cross multiply
2,086,136.20x = 3,130,370.70 × 887,854.60 - Step 4: Simplify right side
2,086,136.20x = 2,779,314,025,700.22 - Step 5: Solve for x
x = 2,779,314,025,700.22/2,086,136.20 - Step 6: Final answer
x = 1,332,278.32
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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.