Finding the Fourth Proportional to 2,170,235.07, 2,994,919.25 and 1,203,340.50
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Solution
The fourth proportional to 2,170,235.07, 2,994,919.25 and 1,203,340.50 is: 1,660,607.03
Step by Step Solution
- Step 1: Write the proportion equation
2,170,235.07 : 2,994,919.25 = 1,203,340.50 : x - Step 2: Convert to fraction form
2,170,235.07/2,994,919.25 = 1,203,340.50/x - Step 3: Cross multiply
2,170,235.07x = 2,994,919.25 × 1,203,340.50 - Step 4: Simplify right side
2,170,235.07x = 3,603,907,621,737.92 - Step 5: Solve for x
x = 3,603,907,621,737.92/2,170,235.07 - Step 6: Final answer
x = 1,660,607.03
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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.