Finding the Fourth Proportional to 4,751,348.83, 7,127,023.12 and 2,191,806.49
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Solution
The fourth proportional to 4,751,348.83, 7,127,023.12 and 2,191,806.49 is: 3,287,709.68
Step by Step Solution
- Step 1: Write the proportion equation
4,751,348.83 : 7,127,023.12 = 2,191,806.49 : x - Step 2: Convert to fraction form
4,751,348.83/7,127,023.12 = 2,191,806.49/x - Step 3: Cross multiply
4,751,348.83x = 7,127,023.12 × 2,191,806.49 - Step 4: Simplify right side
4,751,348.83x = 15,621,055,549,698.12 - Step 5: Solve for x
x = 15,621,055,549,698.12/4,751,348.83 - Step 6: Final answer
x = 3,287,709.68
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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.