Finding the Fourth Proportional to 2,027,660.99, 2,797,980.71 and 1,211,702.22
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Solution
The fourth proportional to 2,027,660.99, 2,797,980.71 and 1,211,702.22 is: 1,672,034.65
Step by Step Solution
- Step 1: Write the proportion equation
2,027,660.99 : 2,797,980.71 = 1,211,702.22 : x - Step 2: Convert to fraction form
2,027,660.99/2,797,980.71 = 1,211,702.22/x - Step 3: Cross multiply
2,027,660.99x = 2,797,980.71 × 1,211,702.22 - Step 4: Simplify right side
2,027,660.99x = 3,390,319,431,765.67 - Step 5: Solve for x
x = 3,390,319,431,765.67/2,027,660.99 - Step 6: Final answer
x = 1,672,034.65
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1.5x scale
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.