Finding the Fourth Proportional to 4,190,396.74, 5,782,785.65 and 2,536,581.87
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Solution
The fourth proportional to 4,190,396.74, 5,782,785.65 and 2,536,581.87 is: 3,500,506.07
Step by Step Solution
- Step 1: Write the proportion equation
4,190,396.74 : 5,782,785.65 = 2,536,581.87 : x - Step 2: Convert to fraction form
4,190,396.74/5,782,785.65 = 2,536,581.87/x - Step 3: Cross multiply
4,190,396.74x = 5,782,785.65 × 2,536,581.87 - Step 4: Simplify right side
4,190,396.74x = 14,668,509,196,289.33 - Step 5: Solve for x
x = 14,668,509,196,289.33/4,190,396.74 - Step 6: Final answer
x = 3,500,506.07
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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.