Finding the Fourth Proportional to 2,170,919.23, 3,255,921.70 and 1,400,108.04
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Solution
The fourth proportional to 2,170,919.23, 3,255,921.70 and 1,400,108.04 is: 2,099,867.23
Step by Step Solution
- Step 1: Write the proportion equation
2,170,919.23 : 3,255,921.70 = 1,400,108.04 : x - Step 2: Convert to fraction form
2,170,919.23/3,255,921.70 = 1,400,108.04/x - Step 3: Cross multiply
2,170,919.23x = 3,255,921.70 × 1,400,108.04 - Step 4: Simplify right side
2,170,919.23x = 4,558,642,149,780.47 - Step 5: Solve for x
x = 4,558,642,149,780.47/2,170,919.23 - Step 6: Final answer
x = 2,099,867.23
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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.