Finding the Fourth Proportional to 3,317,307.63, 4,576,128.66 and 2,283,019.75
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Solution
The fourth proportional to 3,317,307.63, 4,576,128.66 and 2,283,019.75 is: 3,149,358.84
Step by Step Solution
- Step 1: Write the proportion equation
3,317,307.63 : 4,576,128.66 = 2,283,019.75 : x - Step 2: Convert to fraction form
3,317,307.63/4,576,128.66 = 2,283,019.75/x - Step 3: Cross multiply
3,317,307.63x = 4,576,128.66 × 2,283,019.75 - Step 4: Simplify right side
3,317,307.63x = 10,447,392,097,880.71 - Step 5: Solve for x
x = 10,447,392,097,880.71/3,317,307.63 - Step 6: Final answer
x = 3,149,358.84
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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.