Finding the Fourth Proportional to 3,187,490.05, 4,782,173.14 and 1,028,474.66
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Solution
The fourth proportional to 3,187,490.05, 4,782,173.14 and 1,028,474.66 is: 1,543,014.67
Step by Step Solution
- Step 1: Write the proportion equation
3,187,490.05 : 4,782,173.14 = 1,028,474.66 : x - Step 2: Convert to fraction form
3,187,490.05/4,782,173.14 = 1,028,474.66/x - Step 3: Cross multiply
3,187,490.05x = 4,782,173.14 × 1,028,474.66 - Step 4: Simplify right side
3,187,490.05x = 4,918,343,894,222.63 - Step 5: Solve for x
x = 4,918,343,894,222.63/3,187,490.05 - Step 6: Final answer
x = 1,543,014.67
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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.