Finding the Fourth Proportional to 4,206,122.90, 6,309,184.36 and 1,011,249.08
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Solution
The fourth proportional to 4,206,122.90, 6,309,184.36 and 1,011,249.08 is: 1,516,873.62
Step by Step Solution
- Step 1: Write the proportion equation
4,206,122.90 : 6,309,184.36 = 1,011,249.08 : x - Step 2: Convert to fraction form
4,206,122.90/6,309,184.36 = 1,011,249.08/x - Step 3: Cross multiply
4,206,122.90x = 6,309,184.36 × 1,011,249.08 - Step 4: Simplify right side
4,206,122.90x = 6,380,156,879,600.39 - Step 5: Solve for x
x = 6,380,156,879,600.39/4,206,122.90 - Step 6: Final answer
x = 1,516,873.62
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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.