Finding the Fourth Proportional to 1,530,079.05, 2,110,434.51 and 1,325,767.08
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Solution
The fourth proportional to 1,530,079.05, 2,110,434.51 and 1,325,767.08 is: 1,828,627.48
Step by Step Solution
- Step 1: Write the proportion equation
1,530,079.05 : 2,110,434.51 = 1,325,767.08 : x - Step 2: Convert to fraction form
1,530,079.05/2,110,434.51 = 1,325,767.08/x - Step 3: Cross multiply
1,530,079.05x = 2,110,434.51 × 1,325,767.08 - Step 4: Simplify right side
1,530,079.05x = 2,797,944,597,853.93 - Step 5: Solve for x
x = 2,797,944,597,853.93/1,530,079.05 - Step 6: Final answer
x = 1,828,627.48
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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.