Finding the Fourth Proportional to 2,265,278.36, 3,125,380.02 and 1,285,055.96
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Solution
The fourth proportional to 2,265,278.36, 3,125,380.02 and 1,285,055.96 is: 1,772,977.79
Step by Step Solution
- Step 1: Write the proportion equation
2,265,278.36 : 3,125,380.02 = 1,285,055.96 : x - Step 2: Convert to fraction form
2,265,278.36/3,125,380.02 = 1,285,055.96/x - Step 3: Cross multiply
2,265,278.36x = 3,125,380.02 × 1,285,055.96 - Step 4: Simplify right side
2,265,278.36x = 4,016,288,206,339.02 - Step 5: Solve for x
x = 4,016,288,206,339.02/2,265,278.36 - Step 6: Final answer
x = 1,772,977.79
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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.