Finding the Fourth Proportional to 3,747,532.20, 5,171,630.07 and 2,198,820.23
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Solution
The fourth proportional to 3,747,532.20, 5,171,630.07 and 2,198,820.23 is: 3,034,392.82
Step by Step Solution
- Step 1: Write the proportion equation
3,747,532.20 : 5,171,630.07 = 2,198,820.23 : x - Step 2: Convert to fraction form
3,747,532.20/5,171,630.07 = 2,198,820.23/x - Step 3: Cross multiply
3,747,532.20x = 5,171,630.07 × 2,198,820.23 - Step 4: Simplify right side
3,747,532.20x = 11,371,484,818,681.15 - Step 5: Solve for x
x = 11,371,484,818,681.15/3,747,532.20 - Step 6: Final answer
x = 3,034,392.82
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1.5x scale
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.