Finding the Fourth Proportional to 5,317,216.71, 7,337,721.73 and 2,902,768.71
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Solution
The fourth proportional to 5,317,216.71, 7,337,721.73 and 2,902,768.71 is: 4,005,800.44
Step by Step Solution
- Step 1: Write the proportion equation
5,317,216.71 : 7,337,721.73 = 2,902,768.71 : x - Step 2: Convert to fraction form
5,317,216.71/7,337,721.73 = 2,902,768.71/x - Step 3: Cross multiply
5,317,216.71x = 7,337,721.73 × 2,902,768.71 - Step 4: Simplify right side
5,317,216.71x = 21,299,709,040,531.07 - Step 5: Solve for x
x = 21,299,709,040,531.07/5,317,216.71 - Step 6: Final answer
x = 4,005,800.44
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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.