Finding the Fourth Proportional to 2,929,534.36, 4,042,789.75 and 1,622,806.42
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Solution
The fourth proportional to 2,929,534.36, 4,042,789.75 and 1,622,806.42 is: 2,239,490.76
Step by Step Solution
- Step 1: Write the proportion equation
2,929,534.36 : 4,042,789.75 = 1,622,806.42 : x - Step 2: Convert to fraction form
2,929,534.36/4,042,789.75 = 1,622,806.42/x - Step 3: Cross multiply
2,929,534.36x = 4,042,789.75 × 1,622,806.42 - Step 4: Simplify right side
2,929,534.36x = 6,560,665,132,682.22 - Step 5: Solve for x
x = 6,560,665,132,682.22/2,929,534.36 - Step 6: Final answer
x = 2,239,490.76
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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.