Finding the Fourth Proportional to 1,812,699.34, 2,501,475.21 and 996,903.07
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Solution
The fourth proportional to 1,812,699.34, 2,501,475.21 and 996,903.07 is: 1,375,698.80
Step by Step Solution
- Step 1: Write the proportion equation
1,812,699.34 : 2,501,475.21 = 996,903.07 : x - Step 2: Convert to fraction form
1,812,699.34/2,501,475.21 = 996,903.07/x - Step 3: Cross multiply
1,812,699.34x = 2,501,475.21 × 996,903.07 - Step 4: Simplify right side
1,812,699.34x = 2,493,728,310,124.21 - Step 5: Solve for x
x = 2,493,728,310,124.21/1,812,699.34 - Step 6: Final answer
x = 1,375,698.80
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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.