Finding the Fourth Proportional to 4,586,768.74, 6,879,977.91 and 1,391,765.86
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Solution
The fourth proportional to 4,586,768.74, 6,879,977.91 and 1,391,765.86 is: 2,087,595.63
Step by Step Solution
- Step 1: Write the proportion equation
4,586,768.74 : 6,879,977.91 = 1,391,765.86 : x - Step 2: Convert to fraction form
4,586,768.74/6,879,977.91 = 1,391,765.86/x - Step 3: Cross multiply
4,586,768.74x = 6,879,977.91 × 1,391,765.86 - Step 4: Simplify right side
4,586,768.74x = 9,575,318,372,692.15 - Step 5: Solve for x
x = 9,575,318,372,692.15/4,586,768.74 - Step 6: Final answer
x = 2,087,595.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.