Finding the Fourth Proportional to 2,271,976.13, 3,135,337.23 and 1,239,480.79
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Solution
The fourth proportional to 2,271,976.13, 3,135,337.23 and 1,239,480.79 is: 1,710,489.04
Step by Step Solution
- Step 1: Write the proportion equation
2,271,976.13 : 3,135,337.23 = 1,239,480.79 : x - Step 2: Convert to fraction form
2,271,976.13/3,135,337.23 = 1,239,480.79/x - Step 3: Cross multiply
2,271,976.13x = 3,135,337.23 × 1,239,480.79 - Step 4: Simplify right side
2,271,976.13x = 3,886,190,266,756.81 - Step 5: Solve for x
x = 3,886,190,266,756.81/2,271,976.13 - Step 6: Final answer
x = 1,710,489.04
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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.