Finding the Fourth Proportional to 1,595,101.12, 2,201,178.72 and 879,709.12
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Solution
The fourth proportional to 1,595,101.12, 2,201,178.72 and 879,709.12 is: 1,213,965.04
Step by Step Solution
- Step 1: Write the proportion equation
1,595,101.12 : 2,201,178.72 = 879,709.12 : x - Step 2: Convert to fraction form
1,595,101.12/2,201,178.72 = 879,709.12/x - Step 3: Cross multiply
1,595,101.12x = 2,201,178.72 × 879,709.12 - Step 4: Simplify right side
1,595,101.12x = 1,936,396,994,733.93 - Step 5: Solve for x
x = 1,936,396,994,733.93/1,595,101.12 - Step 6: Final answer
x = 1,213,965.04
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1.5x scale
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.