Finding the Fourth Proportional to 3,559,057.68, 4,911,988.28 and 2,182,157.88
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Solution
The fourth proportional to 3,559,057.68, 4,911,988.28 and 2,182,157.88 is: 3,011,677.50
Step by Step Solution
- Step 1: Write the proportion equation
3,559,057.68 : 4,911,988.28 = 2,182,157.88 : x - Step 2: Convert to fraction form
3,559,057.68/4,911,988.28 = 2,182,157.88/x - Step 3: Cross multiply
3,559,057.68x = 4,911,988.28 × 2,182,157.88 - Step 4: Simplify right side
3,559,057.68x = 10,718,733,931,669.65 - Step 5: Solve for x
x = 10,718,733,931,669.65/3,559,057.68 - Step 6: Final answer
x = 3,011,677.50
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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.