Finding the Fourth Proportional to 4,751,349.05, 7,127,023.43 and 2,191,806.71
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Solution
The fourth proportional to 4,751,349.05, 7,127,023.43 and 2,191,806.71 is: 3,287,709.99
Step by Step Solution
- Step 1: Write the proportion equation
4,751,349.05 : 7,127,023.43 = 2,191,806.71 : x - Step 2: Convert to fraction form
4,751,349.05/7,127,023.43 = 2,191,806.71/x - Step 3: Cross multiply
4,751,349.05x = 7,127,023.43 × 2,191,806.71 - Step 4: Simplify right side
4,751,349.05x = 15,621,057,740,566.10 - Step 5: Solve for x
x = 15,621,057,740,566.10/4,751,349.05 - Step 6: Final answer
x = 3,287,709.99
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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.