Finding the Fourth Proportional to 4,073,198.88, 5,620,389.64 and 2,353,987.40
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Solution
The fourth proportional to 4,073,198.88, 5,620,389.64 and 2,353,987.40 is: 3,248,141.52
Step by Step Solution
- Step 1: Write the proportion equation
4,073,198.88 : 5,620,389.64 = 2,353,987.40 : x - Step 2: Convert to fraction form
4,073,198.88/5,620,389.64 = 2,353,987.40/x - Step 3: Cross multiply
4,073,198.88x = 5,620,389.64 × 2,353,987.40 - Step 4: Simplify right side
4,073,198.88x = 13,230,326,395,650.54 - Step 5: Solve for x
x = 13,230,326,395,650.54/4,073,198.88 - Step 6: Final answer
x = 3,248,141.52
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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.