Finding the Fourth Proportional to 4,825,065.12, 6,658,118.60 and 2,787,830.88
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Solution
The fourth proportional to 4,825,065.12, 6,658,118.60 and 2,787,830.88 is: 3,846,934.33
Step by Step Solution
- Step 1: Write the proportion equation
4,825,065.12 : 6,658,118.60 = 2,787,830.88 : x - Step 2: Convert to fraction form
4,825,065.12/6,658,118.60 = 2,787,830.88/x - Step 3: Cross multiply
4,825,065.12x = 6,658,118.60 × 2,787,830.88 - Step 4: Simplify right side
4,825,065.12x = 18,561,708,635,782.37 - Step 5: Solve for x
x = 18,561,708,635,782.37/4,825,065.12 - Step 6: Final answer
x = 3,846,934.33
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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.