Finding the Fourth Proportional to 3,212,246.76, 4,432,907.70 and 1,854,118.68
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Solution
The fourth proportional to 3,212,246.76, 4,432,907.70 and 1,854,118.68 is: 2,558,687.92
Step by Step Solution
- Step 1: Write the proportion equation
3,212,246.76 : 4,432,907.70 = 1,854,118.68 : x - Step 2: Convert to fraction form
3,212,246.76/4,432,907.70 = 1,854,118.68/x - Step 3: Cross multiply
3,212,246.76x = 4,432,907.70 × 1,854,118.68 - Step 4: Simplify right side
3,212,246.76x = 8,219,136,973,285.84 - Step 5: Solve for x
x = 8,219,136,973,285.84/3,212,246.76 - Step 6: Final answer
x = 2,558,687.92
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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.