Finding the Fourth Proportional to 2,271,977.09, 3,135,337.19 and 1,239,508.07
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Solution
The fourth proportional to 2,271,977.09, 3,135,337.19 and 1,239,508.07 is: 1,710,525.94
Step by Step Solution
- Step 1: Write the proportion equation
2,271,977.09 : 3,135,337.19 = 1,239,508.07 : x - Step 2: Convert to fraction form
2,271,977.09/3,135,337.19 = 1,239,508.07/x - Step 3: Cross multiply
2,271,977.09x = 3,135,337.19 × 1,239,508.07 - Step 4: Simplify right side
2,271,977.09x = 3,886,275,749,176.12 - Step 5: Solve for x
x = 3,886,275,749,176.12/2,271,977.09 - Step 6: Final answer
x = 1,710,525.94
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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.