Finding the Fourth Proportional to 4,221,244.46, 6,340,339.02 and 2,518,709.60
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Solution
The fourth proportional to 4,221,244.46, 6,340,339.02 and 2,518,709.60 is: 3,783,119.62
Step by Step Solution
- Step 1: Write the proportion equation
4,221,244.46 : 6,340,339.02 = 2,518,709.60 : x - Step 2: Convert to fraction form
4,221,244.46/6,340,339.02 = 2,518,709.60/x - Step 3: Cross multiply
4,221,244.46x = 6,340,339.02 × 2,518,709.60 - Step 4: Simplify right side
4,221,244.46x = 15,969,472,756,928.59 - Step 5: Solve for x
x = 15,969,472,756,928.59/4,221,244.46 - Step 6: Final answer
x = 3,783,119.62
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1.5x scale
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.