Finding the Fourth Proportional to 2,667,133.08, 3,996,658.38 and 1,765,344.12
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Solution
The fourth proportional to 2,667,133.08, 3,996,658.38 and 1,765,344.12 is: 2,645,341.33
Step by Step Solution
- Step 1: Write the proportion equation
2,667,133.08 : 3,996,658.38 = 1,765,344.12 : x - Step 2: Convert to fraction form
2,667,133.08/3,996,658.38 = 1,765,344.12/x - Step 3: Cross multiply
2,667,133.08x = 3,996,658.38 × 1,765,344.12 - Step 4: Simplify right side
2,667,133.08x = 7,055,477,370,781.73 - Step 5: Solve for x
x = 7,055,477,370,781.73/2,667,133.08 - Step 6: Final answer
x = 2,645,341.33
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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.