Finding the Fourth Proportional to 1,934,090.38, 2,668,888.37 and 1,118,346.97
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Solution
The fourth proportional to 1,934,090.38, 2,668,888.37 and 1,118,346.97 is: 1,543,228.40
Step by Step Solution
- Step 1: Write the proportion equation
1,934,090.38 : 2,668,888.37 = 1,118,346.97 : x - Step 2: Convert to fraction form
1,934,090.38/2,668,888.37 = 1,118,346.97/x - Step 3: Cross multiply
1,934,090.38x = 2,668,888.37 × 1,118,346.97 - Step 4: Simplify right side
1,934,090.38x = 2,984,743,202,921.56 - Step 5: Solve for x
x = 2,984,743,202,921.56/1,934,090.38 - Step 6: Final answer
x = 1,543,228.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.