Finding the Fourth Proportional to 1,791,729.12, 2,473,126.52 and 1,219,101.44
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Solution
The fourth proportional to 1,791,729.12, 2,473,126.52 and 1,219,101.44 is: 1,682,727.62
Step by Step Solution
- Step 1: Write the proportion equation
1,791,729.12 : 2,473,126.52 = 1,219,101.44 : x - Step 2: Convert to fraction form
1,791,729.12/2,473,126.52 = 1,219,101.44/x - Step 3: Cross multiply
1,791,729.12x = 2,473,126.52 × 1,219,101.44 - Step 4: Simplify right side
1,791,729.12x = 3,014,992,083,373.05 - Step 5: Solve for x
x = 3,014,992,083,373.05/1,791,729.12 - Step 6: Final answer
x = 1,682,727.62
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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.