Finding the Fourth Proportional to 2,432,648.85, 3,357,125.49 and 1,344,990.65
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Solution
The fourth proportional to 2,432,648.85, 3,357,125.49 and 1,344,990.65 is: 1,856,125.84
Step by Step Solution
- Step 1: Write the proportion equation
2,432,648.85 : 3,357,125.49 = 1,344,990.65 : x - Step 2: Convert to fraction form
2,432,648.85/3,357,125.49 = 1,344,990.65/x - Step 3: Cross multiply
2,432,648.85x = 3,357,125.49 × 1,344,990.65 - Step 4: Simplify right side
2,432,648.85x = 4,515,302,378,141.04 - Step 5: Solve for x
x = 4,515,302,378,141.04/2,432,648.85 - Step 6: Final answer
x = 1,856,125.84
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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.