Finding the Fourth Proportional to 5,340,254.21, 7,369,573.39 and 2,892,865.26
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Solution
The fourth proportional to 5,340,254.21, 7,369,573.39 and 2,892,865.26 is: 3,992,166.28
Step by Step Solution
- Step 1: Write the proportion equation
5,340,254.21 : 7,369,573.39 = 2,892,865.26 : x - Step 2: Convert to fraction form
5,340,254.21/7,369,573.39 = 2,892,865.26/x - Step 3: Cross multiply
5,340,254.21x = 7,369,573.39 × 2,892,865.26 - Step 4: Simplify right side
5,340,254.21x = 21,319,182,804,103.56 - Step 5: Solve for x
x = 21,319,182,804,103.56/5,340,254.21 - Step 6: Final answer
x = 3,992,166.28
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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.