Finding the Fourth Proportional to 1,524,279.60, 2,103,354.12 and 879,907.44
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Solution
The fourth proportional to 1,524,279.60, 2,103,354.12 and 879,907.44 is: 1,214,184.68
Step by Step Solution
- Step 1: Write the proportion equation
1,524,279.60 : 2,103,354.12 = 879,907.44 : x - Step 2: Convert to fraction form
1,524,279.60/2,103,354.12 = 879,907.44/x - Step 3: Cross multiply
1,524,279.60x = 2,103,354.12 × 879,907.44 - Step 4: Simplify right side
1,524,279.60x = 1,850,756,939,142.65 - Step 5: Solve for x
x = 1,850,756,939,142.65/1,524,279.60 - Step 6: Final answer
x = 1,214,184.68
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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.