Finding the Fourth Proportional to 4,546,199.84, 6,271,787.78 and 2,780,175.68
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Solution
The fourth proportional to 4,546,199.84, 6,271,787.78 and 2,780,175.68 is: 3,835,438.93
Step by Step Solution
- Step 1: Write the proportion equation
4,546,199.84 : 6,271,787.78 = 2,780,175.68 : x - Step 2: Convert to fraction form
4,546,199.84/6,271,787.78 = 2,780,175.68/x - Step 3: Cross multiply
4,546,199.84x = 6,271,787.78 × 2,780,175.68 - Step 4: Simplify right side
4,546,199.84x = 17,436,671,856,077.19 - Step 5: Solve for x
x = 17,436,671,856,077.19/4,546,199.84 - Step 6: Final answer
x = 3,835,438.93
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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.