Finding the Fourth Proportional to 3,721,204.20, 5,581,806.30 and 3,671,437.80
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Solution
The fourth proportional to 3,721,204.20, 5,581,806.30 and 3,671,437.80 is: 5,507,156.70
Step by Step Solution
- Step 1: Write the proportion equation
3,721,204.20 : 5,581,806.30 = 3,671,437.80 : x - Step 2: Convert to fraction form
3,721,204.20/5,581,806.30 = 3,671,437.80/x - Step 3: Cross multiply
3,721,204.20x = 5,581,806.30 × 3,671,437.80 - Step 4: Simplify right side
3,721,204.20x = 20,493,254,642,098.14 - Step 5: Solve for x
x = 20,493,254,642,098.14/3,721,204.20 - Step 6: Final answer
x = 5,507,156.70
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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.