Finding the Fourth Proportional to 3,217,443.80, 4,440,108.96 and 1,767,173.02
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Solution
The fourth proportional to 3,217,443.80, 4,440,108.96 and 1,767,173.02 is: 2,438,718.82
Step by Step Solution
- Step 1: Write the proportion equation
3,217,443.80 : 4,440,108.96 = 1,767,173.02 : x - Step 2: Convert to fraction form
3,217,443.80/4,440,108.96 = 1,767,173.02/x - Step 3: Cross multiply
3,217,443.80x = 4,440,108.96 × 1,767,173.02 - Step 4: Simplify right side
3,217,443.80x = 7,846,440,748,871.99 - Step 5: Solve for x
x = 7,846,440,748,871.99/3,217,443.80 - Step 6: Final answer
x = 2,438,718.82
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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.