Finding the Fourth Proportional to 7,790,574.57, 11,686,465.18 and 2,603,202.06
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Solution
The fourth proportional to 7,790,574.57, 11,686,465.18 and 2,603,202.06 is: 3,905,004.70
Step by Step Solution
- Step 1: Write the proportion equation
7,790,574.57 : 11,686,465.18 = 2,603,202.06 : x - Step 2: Convert to fraction form
7,790,574.57/11,686,465.18 = 2,603,202.06/x - Step 3: Cross multiply
7,790,574.57x = 11,686,465.18 × 2,603,202.06 - Step 4: Simplify right side
7,790,574.57x = 30,422,230,277,772.52 - Step 5: Solve for x
x = 30,422,230,277,772.52/7,790,574.57 - Step 6: Final answer
x = 3,905,004.70
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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.