Finding the Fourth Proportional to 1,536,295.32, 2,120,884.68 and 1,122,367.88
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Solution
The fourth proportional to 1,536,295.32, 2,120,884.68 and 1,122,367.88 is: 1,549,450.04
Step by Step Solution
- Step 1: Write the proportion equation
1,536,295.32 : 2,120,884.68 = 1,122,367.88 : x - Step 2: Convert to fraction form
1,536,295.32/2,120,884.68 = 1,122,367.88/x - Step 3: Cross multiply
1,536,295.32x = 2,120,884.68 × 1,122,367.88 - Step 4: Simplify right side
1,536,295.32x = 2,380,412,842,016.08 - Step 5: Solve for x
x = 2,380,412,842,016.08/1,536,295.32 - Step 6: Final answer
x = 1,549,450.04
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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.