Finding the Fourth Proportional to 1,865,170.32, 2,574,029.52 and 1,101,207.48
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Solution
The fourth proportional to 1,865,170.32, 2,574,029.52 and 1,101,207.48 is: 1,519,722.10
Step by Step Solution
- Step 1: Write the proportion equation
1,865,170.32 : 2,574,029.52 = 1,101,207.48 : x - Step 2: Convert to fraction form
1,865,170.32/2,574,029.52 = 1,101,207.48/x - Step 3: Cross multiply
1,865,170.32x = 2,574,029.52 × 1,101,207.48 - Step 4: Simplify right side
1,865,170.32x = 2,834,540,561,164.81 - Step 5: Solve for x
x = 2,834,540,561,164.81/1,865,170.32 - Step 6: Final answer
x = 1,519,722.10
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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.