Finding the Fourth Proportional to 3,936,671.58, 5,432,721.93 and 2,304,926.28
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Solution
The fourth proportional to 3,936,671.58, 5,432,721.93 and 2,304,926.28 is: 3,180,865.68
Step by Step Solution
- Step 1: Write the proportion equation
3,936,671.58 : 5,432,721.93 = 2,304,926.28 : x - Step 2: Convert to fraction form
3,936,671.58/5,432,721.93 = 2,304,926.28/x - Step 3: Cross multiply
3,936,671.58x = 5,432,721.93 × 2,304,926.28 - Step 4: Simplify right side
3,936,671.58x = 12,522,023,509,701.08 - Step 5: Solve for x
x = 12,522,023,509,701.08/3,936,671.58 - Step 6: Final answer
x = 3,180,865.68
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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.