Finding the Fourth Proportional to 1,809,681.50, 2,714,520.70 and 461,843.99
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Solution
The fourth proportional to 1,809,681.50, 2,714,520.70 and 461,843.99 is: 692,765.60
Step by Step Solution
- Step 1: Write the proportion equation
1,809,681.50 : 2,714,520.70 = 461,843.99 : x - Step 2: Convert to fraction form
1,809,681.50/2,714,520.70 = 461,843.99/x - Step 3: Cross multiply
1,809,681.50x = 2,714,520.70 × 461,843.99 - Step 4: Simplify right side
1,809,681.50x = 1,253,685,083,478.93 - Step 5: Solve for x
x = 1,253,685,083,478.93/1,809,681.50 - Step 6: Final answer
x = 692,765.60
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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.