Finding the Fourth Proportional to 1,722,138.24, 2,583,209.52 and 823,368.72
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Solution
The fourth proportional to 1,722,138.24, 2,583,209.52 and 823,368.72 is: 1,235,054.11
Step by Step Solution
- Step 1: Write the proportion equation
1,722,138.24 : 2,583,209.52 = 823,368.72 : x - Step 2: Convert to fraction form
1,722,138.24/2,583,209.52 = 823,368.72/x - Step 3: Cross multiply
1,722,138.24x = 2,583,209.52 × 823,368.72 - Step 4: Simplify right side
1,722,138.24x = 2,126,933,915,974.21 - Step 5: Solve for x
x = 2,126,933,915,974.21/1,722,138.24 - Step 6: Final answer
x = 1,235,054.11
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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.