Finding the Fourth Proportional to 4,198,801.28, 6,299,201.40 and 1,358,913.42
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Solution
The fourth proportional to 4,198,801.28, 6,299,201.40 and 1,358,913.42 is: 2,038,693.60
Step by Step Solution
- Step 1: Write the proportion equation
4,198,801.28 : 6,299,201.40 = 1,358,913.42 : x - Step 2: Convert to fraction form
4,198,801.28/6,299,201.40 = 1,358,913.42/x - Step 3: Cross multiply
4,198,801.28x = 6,299,201.40 × 1,358,913.42 - Step 4: Simplify right side
4,198,801.28x = 8,560,069,317,742.79 - Step 5: Solve for x
x = 8,560,069,317,742.79/4,198,801.28 - Step 6: Final answer
x = 2,038,693.60
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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.