Finding the Fourth Proportional to 1,452,947.40, 2,180,198.70 and 654,352.20
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Solution
The fourth proportional to 1,452,947.40, 2,180,198.70 and 654,352.20 is: 981,878.50
Step by Step Solution
- Step 1: Write the proportion equation
1,452,947.40 : 2,180,198.70 = 654,352.20 : x - Step 2: Convert to fraction form
1,452,947.40/2,180,198.70 = 654,352.20/x - Step 3: Cross multiply
1,452,947.40x = 2,180,198.70 × 654,352.20 - Step 4: Simplify right side
1,452,947.40x = 1,426,617,815,782.14 - Step 5: Solve for x
x = 1,426,617,815,782.14/1,452,947.40 - Step 6: Final answer
x = 981,878.50
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1.5x scale
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.