Finding the Fourth Proportional to 1,968,727.20, 2,953,090.80 and 706,390.80
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Solution
The fourth proportional to 1,968,727.20, 2,953,090.80 and 706,390.80 is: 1,059,586.20
Step by Step Solution
- Step 1: Write the proportion equation
1,968,727.20 : 2,953,090.80 = 706,390.80 : x - Step 2: Convert to fraction form
1,968,727.20/2,953,090.80 = 706,390.80/x - Step 3: Cross multiply
1,968,727.20x = 2,953,090.80 × 706,390.80 - Step 4: Simplify right side
1,968,727.20x = 2,086,036,172,684.64 - Step 5: Solve for x
x = 2,086,036,172,684.64/1,968,727.20 - Step 6: Final answer
x = 1,059,586.20
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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.