Finding the Fourth Proportional to 4,214,329.76, 5,815,774.92 and 2,280,590.32
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Solution
The fourth proportional to 4,214,329.76, 5,815,774.92 and 2,280,590.32 is: 3,147,214.56
Step by Step Solution
- Step 1: Write the proportion equation
4,214,329.76 : 5,815,774.92 = 2,280,590.32 : x - Step 2: Convert to fraction form
4,214,329.76/5,815,774.92 = 2,280,590.32/x - Step 3: Cross multiply
4,214,329.76x = 5,815,774.92 × 2,280,590.32 - Step 4: Simplify right side
4,214,329.76x = 13,263,399,985,850.77 - Step 5: Solve for x
x = 13,263,399,985,850.77/4,214,329.76 - Step 6: Final answer
x = 3,147,214.56
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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.