Finding the Fourth Proportional to 6,971,749.58, 9,621,247.77 and 3,874,403.48
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Solution
The fourth proportional to 6,971,749.58, 9,621,247.77 and 3,874,403.48 is: 5,346,806.49
Step by Step Solution
- Step 1: Write the proportion equation
6,971,749.58 : 9,621,247.77 = 3,874,403.48 : x - Step 2: Convert to fraction form
6,971,749.58/9,621,247.77 = 3,874,403.48/x - Step 3: Cross multiply
6,971,749.58x = 9,621,247.77 × 3,874,403.48 - Step 4: Simplify right side
6,971,749.58x = 37,276,595,866,083.36 - Step 5: Solve for x
x = 37,276,595,866,083.36/6,971,749.58 - Step 6: Final answer
x = 5,346,806.49
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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.