Finding the Fourth Proportional to 4,119,176.20, 6,178,764.30 and 2,771,984.20
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Solution
The fourth proportional to 4,119,176.20, 6,178,764.30 and 2,771,984.20 is: 4,157,976.30
Step by Step Solution
- Step 1: Write the proportion equation
4,119,176.20 : 6,178,764.30 = 2,771,984.20 : x - Step 2: Convert to fraction form
4,119,176.20/6,178,764.30 = 2,771,984.20/x - Step 3: Cross multiply
4,119,176.20x = 6,178,764.30 × 2,771,984.20 - Step 4: Simplify right side
4,119,176.20x = 17,127,437,015,124.06 - Step 5: Solve for x
x = 17,127,437,015,124.06/4,119,176.20 - Step 6: Final answer
x = 4,157,976.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.