Finding the Fourth Proportional to 4,930,318.74, 7,395,478.20 and 1,336,085.58
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Solution
The fourth proportional to 4,930,318.74, 7,395,478.20 and 1,336,085.58 is: 2,004,128.39
Step by Step Solution
- Step 1: Write the proportion equation
4,930,318.74 : 7,395,478.20 = 1,336,085.58 : x - Step 2: Convert to fraction form
4,930,318.74/7,395,478.20 = 1,336,085.58/x - Step 3: Cross multiply
4,930,318.74x = 7,395,478.20 × 1,336,085.58 - Step 4: Simplify right side
4,930,318.74x = 9,880,991,780,224.36 - Step 5: Solve for x
x = 9,880,991,780,224.36/4,930,318.74 - Step 6: Final answer
x = 2,004,128.39
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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.