Finding the Fourth Proportional to 5,139,370.36, 7,720,179.54 and 3,341,329.12
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Solution
The fourth proportional to 5,139,370.36, 7,720,179.54 and 3,341,329.12 is: 5,019,225.88
Step by Step Solution
- Step 1: Write the proportion equation
5,139,370.36 : 7,720,179.54 = 3,341,329.12 : x - Step 2: Convert to fraction form
5,139,370.36/7,720,179.54 = 3,341,329.12/x - Step 3: Cross multiply
5,139,370.36x = 7,720,179.54 × 3,341,329.12 - Step 4: Simplify right side
5,139,370.36x = 25,795,660,708,630.21 - Step 5: Solve for x
x = 25,795,660,708,630.21/5,139,370.36 - Step 6: Final answer
x = 5,019,225.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.