Finding the Fourth Proportional to 7,790,575.57, 11,686,466.68 and 2,603,203.06
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Solution
The fourth proportional to 7,790,575.57, 11,686,466.68 and 2,603,203.06 is: 3,905,006.19
Step by Step Solution
- Step 1: Write the proportion equation
7,790,575.57 : 11,686,466.68 = 2,603,203.06 : x - Step 2: Convert to fraction form
7,790,575.57/11,686,466.68 = 2,603,203.06/x - Step 3: Cross multiply
7,790,575.57x = 11,686,466.68 × 2,603,203.06 - Step 4: Simplify right side
7,790,575.57x = 30,422,245,821,964.04 - Step 5: Solve for x
x = 30,422,245,821,964.04/7,790,575.57 - Step 6: Final answer
x = 3,905,006.19
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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.