Finding the Fourth Proportional to 4,140,704.04, 6,212,323.68 and 2,120,378.42
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Solution
The fourth proportional to 4,140,704.04, 6,212,323.68 and 2,120,378.42 is: 3,181,216.75
Step by Step Solution
- Step 1: Write the proportion equation
4,140,704.04 : 6,212,323.68 = 2,120,378.42 : x - Step 2: Convert to fraction form
4,140,704.04/6,212,323.68 = 2,120,378.42/x - Step 3: Cross multiply
4,140,704.04x = 6,212,323.68 × 2,120,378.42 - Step 4: Simplify right side
4,140,704.04x = 13,172,477,069,126.98 - Step 5: Solve for x
x = 13,172,477,069,126.98/4,140,704.04 - Step 6: Final answer
x = 3,181,216.75
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1.5x scale
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.