Finding the Fourth Proportional to 2,928,720.84, 4,396,186.79 and 2,593,934.88
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Solution
The fourth proportional to 2,928,720.84, 4,396,186.79 and 2,593,934.88 is: 3,893,652.85
Step by Step Solution
- Step 1: Write the proportion equation
2,928,720.84 : 4,396,186.79 = 2,593,934.88 : x - Step 2: Convert to fraction form
2,928,720.84/4,396,186.79 = 2,593,934.88/x - Step 3: Cross multiply
2,928,720.84x = 4,396,186.79 × 2,593,934.88 - Step 4: Simplify right side
2,928,720.84x = 11,403,422,253,576.23 - Step 5: Solve for x
x = 11,403,422,253,576.23/2,928,720.84 - Step 6: Final answer
x = 3,893,652.85
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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.