Finding the Fourth Proportional to 5,119,757.74, 7,064,660.19 and 2,827,781.74
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Solution
The fourth proportional to 5,119,757.74, 7,064,660.19 and 2,827,781.74 is: 3,902,004.37
Step by Step Solution
- Step 1: Write the proportion equation
5,119,757.74 : 7,064,660.19 = 2,827,781.74 : x - Step 2: Convert to fraction form
5,119,757.74/7,064,660.19 = 2,827,781.74/x - Step 3: Cross multiply
5,119,757.74x = 7,064,660.19 × 2,827,781.74 - Step 4: Simplify right side
5,119,757.74x = 19,977,317,084,586.93 - Step 5: Solve for x
x = 19,977,317,084,586.93/5,119,757.74 - Step 6: Final answer
x = 3,902,004.37
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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.