Finding the Fourth Proportional to 7,314,257.60, 10,972,107.94 and 2,521,315.88
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Solution
The fourth proportional to 7,314,257.60, 10,972,107.94 and 2,521,315.88 is: 3,782,222.54
Step by Step Solution
- Step 1: Write the proportion equation
7,314,257.60 : 10,972,107.94 = 2,521,315.88 : x - Step 2: Convert to fraction form
7,314,257.60/10,972,107.94 = 2,521,315.88/x - Step 3: Cross multiply
7,314,257.60x = 10,972,107.94 × 2,521,315.88 - Step 4: Simplify right side
7,314,257.60x = 27,664,149,986,196.09 - Step 5: Solve for x
x = 27,664,149,986,196.09/7,314,257.60 - Step 6: Final answer
x = 3,782,222.54
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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.