Finding the Fourth Proportional to 3,387,768.57, 5,081,656.08 and 2,787,467.82
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Solution
The fourth proportional to 3,387,768.57, 5,081,656.08 and 2,787,467.82 is: 4,181,204.38
Step by Step Solution
- Step 1: Write the proportion equation
3,387,768.57 : 5,081,656.08 = 2,787,467.82 : x - Step 2: Convert to fraction form
3,387,768.57/5,081,656.08 = 2,787,467.82/x - Step 3: Cross multiply
3,387,768.57x = 5,081,656.08 × 2,787,467.82 - Step 4: Simplify right side
3,387,768.57x = 14,164,952,795,307.35 - Step 5: Solve for x
x = 14,164,952,795,307.35/3,387,768.57 - Step 6: Final answer
x = 4,181,204.38
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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.