Finding the Fourth Proportional to 5,246,335.80, 7,239,969.90 and 2,954,535.48
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Solution
The fourth proportional to 5,246,335.80, 7,239,969.90 and 2,954,535.48 is: 4,077,273.88
Step by Step Solution
- Step 1: Write the proportion equation
5,246,335.80 : 7,239,969.90 = 2,954,535.48 : x - Step 2: Convert to fraction form
5,246,335.80/7,239,969.90 = 2,954,535.48/x - Step 3: Cross multiply
5,246,335.80x = 7,239,969.90 × 2,954,535.48 - Step 4: Simplify right side
5,246,335.80x = 21,390,747,943,682.05 - Step 5: Solve for x
x = 21,390,747,943,682.05/5,246,335.80 - Step 6: Final answer
x = 4,077,273.88
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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.