Finding the Fourth Proportional to 2,838,676.20, 3,917,231.46 and 1,549,570.92
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Solution
The fourth proportional to 2,838,676.20, 3,917,231.46 and 1,549,570.92 is: 2,138,330.52
Step by Step Solution
- Step 1: Write the proportion equation
2,838,676.20 : 3,917,231.46 = 1,549,570.92 : x - Step 2: Convert to fraction form
2,838,676.20/3,917,231.46 = 1,549,570.92/x - Step 3: Cross multiply
2,838,676.20x = 3,917,231.46 × 1,549,570.92 - Step 4: Simplify right side
2,838,676.20x = 6,070,027,957,325.14 - Step 5: Solve for x
x = 6,070,027,957,325.14/2,838,676.20 - Step 6: Final answer
x = 2,138,330.52
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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.