Finding the Fourth Proportional to 2,174,564.48, 3,001,136.91 and 1,244,358.20
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Solution
The fourth proportional to 2,174,564.48, 3,001,136.91 and 1,244,358.20 is: 1,717,350.47
Step by Step Solution
- Step 1: Write the proportion equation
2,174,564.48 : 3,001,136.91 = 1,244,358.20 : x - Step 2: Convert to fraction form
2,174,564.48/3,001,136.91 = 1,244,358.20/x - Step 3: Cross multiply
2,174,564.48x = 3,001,136.91 × 1,244,358.20 - Step 4: Simplify right side
2,174,564.48x = 3,734,489,314,485.96 - Step 5: Solve for x
x = 3,734,489,314,485.96/2,174,564.48 - Step 6: Final answer
x = 1,717,350.47
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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.