Finding the Fourth Proportional to 2,731,918.99, 4,097,164.47 and 812,313.24
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Solution
The fourth proportional to 2,731,918.99, 4,097,164.47 and 812,313.24 is: 1,218,257.55
Step by Step Solution
- Step 1: Write the proportion equation
2,731,918.99 : 4,097,164.47 = 812,313.24 : x - Step 2: Convert to fraction form
2,731,918.99/4,097,164.47 = 812,313.24/x - Step 3: Cross multiply
2,731,918.99x = 4,097,164.47 × 812,313.24 - Step 4: Simplify right side
2,731,918.99x = 3,328,180,945,438.58 - Step 5: Solve for x
x = 3,328,180,945,438.58/2,731,918.99 - Step 6: Final answer
x = 1,218,257.55
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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.