Finding the Fourth Proportional to 6,584,432.20, 9,871,982.70 and 2,991,920.20
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Solution
The fourth proportional to 6,584,432.20, 9,871,982.70 and 2,991,920.20 is: 4,485,760.28
Step by Step Solution
- Step 1: Write the proportion equation
6,584,432.20 : 9,871,982.70 = 2,991,920.20 : x - Step 2: Convert to fraction form
6,584,432.20/9,871,982.70 = 2,991,920.20/x - Step 3: Cross multiply
6,584,432.20x = 9,871,982.70 × 2,991,920.20 - Step 4: Simplify right side
6,584,432.20x = 29,536,184,454,180.54 - Step 5: Solve for x
x = 29,536,184,454,180.54/6,584,432.20 - Step 6: Final answer
x = 4,485,760.28
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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.