Finding the Fourth Proportional to 1,800,571.75, 2,697,858.99 and 1,266,971.74
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Solution
The fourth proportional to 1,800,571.75, 2,697,858.99 and 1,266,971.74 is: 1,898,347.62
Step by Step Solution
- Step 1: Write the proportion equation
1,800,571.75 : 2,697,858.99 = 1,266,971.74 : x - Step 2: Convert to fraction form
1,800,571.75/2,697,858.99 = 1,266,971.74/x - Step 3: Cross multiply
1,800,571.75x = 2,697,858.99 × 1,266,971.74 - Step 4: Simplify right side
1,800,571.75x = 3,418,111,092,090.30 - Step 5: Solve for x
x = 3,418,111,092,090.30/1,800,571.75 - Step 6: Final answer
x = 1,898,347.62
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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.