Finding the Fourth Proportional to 2,137,616.76, 3,206,580.66 and 717,660.84
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Solution
The fourth proportional to 2,137,616.76, 3,206,580.66 and 717,660.84 is: 1,076,543.47
Step by Step Solution
- Step 1: Write the proportion equation
2,137,616.76 : 3,206,580.66 = 717,660.84 : x - Step 2: Convert to fraction form
2,137,616.76/3,206,580.66 = 717,660.84/x - Step 3: Cross multiply
2,137,616.76x = 3,206,580.66 × 717,660.84 - Step 4: Simplify right side
2,137,616.76x = 2,301,237,369,983.35 - Step 5: Solve for x
x = 2,301,237,369,983.35/2,137,616.76 - Step 6: Final answer
x = 1,076,543.47
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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.