Finding the Fourth Proportional to 3,422,897.55, 4,723,599.76 and 1,874,257.18
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Solution
The fourth proportional to 3,422,897.55, 4,723,599.76 and 1,874,257.18 is: 2,586,475.53
Step by Step Solution
- Step 1: Write the proportion equation
3,422,897.55 : 4,723,599.76 = 1,874,257.18 : x - Step 2: Convert to fraction form
3,422,897.55/4,723,599.76 = 1,874,257.18/x - Step 3: Cross multiply
3,422,897.55x = 4,723,599.76 × 1,874,257.18 - Step 4: Simplify right side
3,422,897.55x = 8,853,240,756,160.10 - Step 5: Solve for x
x = 8,853,240,756,160.10/3,422,897.55 - Step 6: Final answer
x = 2,586,475.53
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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.