Finding the Fourth Proportional to 2,822,788.08, 4,234,175.64 and 1,225,144.08
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Solution
The fourth proportional to 2,822,788.08, 4,234,175.64 and 1,225,144.08 is: 1,837,713.31
Step by Step Solution
- Step 1: Write the proportion equation
2,822,788.08 : 4,234,175.64 = 1,225,144.08 : x - Step 2: Convert to fraction form
2,822,788.08/4,234,175.64 = 1,225,144.08/x - Step 3: Cross multiply
2,822,788.08x = 4,234,175.64 × 1,225,144.08 - Step 4: Simplify right side
2,822,788.08x = 5,187,475,219,026.21 - Step 5: Solve for x
x = 5,187,475,219,026.21/2,822,788.08 - Step 6: Final answer
x = 1,837,713.31
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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.