Finding the Fourth Proportional to 4,339,828.25, 6,496,972.28 and 2,896,932.76
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Solution
The fourth proportional to 4,339,828.25, 6,496,972.28 and 2,896,932.76 is: 4,336,874.81
Step by Step Solution
- Step 1: Write the proportion equation
4,339,828.25 : 6,496,972.28 = 2,896,932.76 : x - Step 2: Convert to fraction form
4,339,828.25/6,496,972.28 = 2,896,932.76/x - Step 3: Cross multiply
4,339,828.25x = 6,496,972.28 × 2,896,932.76 - Step 4: Simplify right side
4,339,828.25x = 18,821,291,838,743.89 - Step 5: Solve for x
x = 18,821,291,838,743.89/4,339,828.25 - Step 6: Final answer
x = 4,336,874.81
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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.