Finding the Fourth Proportional to 4,054,430.13, 6,081,645.20 and 1,865,778.95
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Solution
The fourth proportional to 4,054,430.13, 6,081,645.20 and 1,865,778.95 is: 2,798,668.42
Step by Step Solution
- Step 1: Write the proportion equation
4,054,430.13 : 6,081,645.20 = 1,865,778.95 : x - Step 2: Convert to fraction form
4,054,430.13/6,081,645.20 = 1,865,778.95/x - Step 3: Cross multiply
4,054,430.13x = 6,081,645.20 × 1,865,778.95 - Step 4: Simplify right side
4,054,430.13x = 11,347,005,555,791.42 - Step 5: Solve for x
x = 11,347,005,555,791.42/4,054,430.13 - Step 6: Final answer
x = 2,798,668.42
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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.