Finding the Fourth Proportional to 2,170,641, 2,995,484.58 and 1,203,919.32
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Solution
The fourth proportional to 2,170,641, 2,995,484.58 and 1,203,919.32 is: 1,661,408.66
Step by Step Solution
- Step 1: Write the proportion equation
2,170,641 : 2,995,484.58 = 1,203,919.32 : x - Step 2: Convert to fraction form
2,170,641/2,995,484.58 = 1,203,919.32/x - Step 3: Cross multiply
2,170,641x = 2,995,484.58 × 1,203,919.32 - Step 4: Simplify right side
2,170,641x = 3,606,321,758,624.09 - Step 5: Solve for x
x = 3,606,321,758,624.09/2,170,641 - Step 6: Final answer
x = 1,661,408.66
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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.