Finding the Fourth Proportional to 2,492,169.76, 3,439,191.36 and 1,346,249.92
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Solution
The fourth proportional to 2,492,169.76, 3,439,191.36 and 1,346,249.92 is: 1,857,823.32
Step by Step Solution
- Step 1: Write the proportion equation
2,492,169.76 : 3,439,191.36 = 1,346,249.92 : x - Step 2: Convert to fraction form
2,492,169.76/3,439,191.36 = 1,346,249.92/x - Step 3: Cross multiply
2,492,169.76x = 3,439,191.36 × 1,346,249.92 - Step 4: Simplify right side
2,492,169.76x = 4,630,011,093,264.69 - Step 5: Solve for x
x = 4,630,011,093,264.69/2,492,169.76 - Step 6: Final answer
x = 1,857,823.32
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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.