Finding the Fourth Proportional to 1,587,187.22, 2,189,051.58 and 1,043,880.92
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Solution
The fourth proportional to 1,587,187.22, 2,189,051.58 and 1,043,880.92 is: 1,439,722.52
Step by Step Solution
- Step 1: Write the proportion equation
1,587,187.22 : 2,189,051.58 = 1,043,880.92 : x - Step 2: Convert to fraction form
1,587,187.22/2,189,051.58 = 1,043,880.92/x - Step 3: Cross multiply
1,587,187.22x = 2,189,051.58 × 1,043,880.92 - Step 4: Simplify right side
1,587,187.22x = 2,285,109,177,257.85 - Step 5: Solve for x
x = 2,285,109,177,257.85/1,587,187.22 - Step 6: Final answer
x = 1,439,722.52
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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.