Finding the Fourth Proportional to 3,178,358.26, 4,768,123.83 and 1,048,589.62
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Solution
The fourth proportional to 3,178,358.26, 4,768,123.83 and 1,048,589.62 is: 1,573,077.91
Step by Step Solution
- Step 1: Write the proportion equation
3,178,358.26 : 4,768,123.83 = 1,048,589.62 : x - Step 2: Convert to fraction form
3,178,358.26/4,768,123.83 = 1,048,589.62/x - Step 3: Cross multiply
3,178,358.26x = 4,768,123.83 × 1,048,589.62 - Step 4: Simplify right side
3,178,358.26x = 4,999,805,155,012.65 - Step 5: Solve for x
x = 4,999,805,155,012.65/3,178,358.26 - Step 6: Final answer
x = 1,573,077.91
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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.