Finding the Fourth Proportional to 5,178,464.33, 7,767,415.53 and 1,584,231.53
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Solution
The fourth proportional to 5,178,464.33, 7,767,415.53 and 1,584,231.53 is: 2,376,261.34
Step by Step Solution
- Step 1: Write the proportion equation
5,178,464.33 : 7,767,415.53 = 1,584,231.53 : x - Step 2: Convert to fraction form
5,178,464.33/7,767,415.53 = 1,584,231.53/x - Step 3: Cross multiply
5,178,464.33x = 7,767,415.53 × 1,584,231.53 - Step 4: Simplify right side
5,178,464.33x = 12,305,384,550,400.58 - Step 5: Solve for x
x = 12,305,384,550,400.58/5,178,464.33 - Step 6: Final answer
x = 2,376,261.34
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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.