Finding the Fourth Proportional to 2,191,494.56, 3,285,471.58 and 913,064.87
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Solution
The fourth proportional to 2,191,494.56, 3,285,471.58 and 913,064.87 is: 1,368,859.75
Step by Step Solution
- Step 1: Write the proportion equation
2,191,494.56 : 3,285,471.58 = 913,064.87 : x - Step 2: Convert to fraction form
2,191,494.56/3,285,471.58 = 913,064.87/x - Step 3: Cross multiply
2,191,494.56x = 3,285,471.58 × 913,064.87 - Step 4: Simplify right side
2,191,494.56x = 2,999,848,687,012.41 - Step 5: Solve for x
x = 2,999,848,687,012.41/2,191,494.56 - Step 6: Final answer
x = 1,368,859.75
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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.