Finding the Fourth Proportional to 4,647,318.57, 6,970,983.30 and 1,452,461.49
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Solution
The fourth proportional to 4,647,318.57, 6,970,983.30 and 1,452,461.49 is: 2,178,693.94
Step by Step Solution
- Step 1: Write the proportion equation
4,647,318.57 : 6,970,983.30 = 1,452,461.49 : x - Step 2: Convert to fraction form
4,647,318.57/6,970,983.30 = 1,452,461.49/x - Step 3: Cross multiply
4,647,318.57x = 6,970,983.30 × 1,452,461.49 - Step 4: Simplify right side
4,647,318.57x = 10,125,084,790,683.12 - Step 5: Solve for x
x = 10,125,084,790,683.12/4,647,318.57 - Step 6: Final answer
x = 2,178,693.94
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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.