Finding the Fourth Proportional to 2,150,029.68, 2,966,966.58 and 1,183,069.56
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Solution
The fourth proportional to 2,150,029.68, 2,966,966.58 and 1,183,069.56 is: 1,632,595.07
Step by Step Solution
- Step 1: Write the proportion equation
2,150,029.68 : 2,966,966.58 = 1,183,069.56 : x - Step 2: Convert to fraction form
2,150,029.68/2,966,966.58 = 1,183,069.56/x - Step 3: Cross multiply
2,150,029.68x = 2,966,966.58 × 1,183,069.56 - Step 4: Simplify right side
2,150,029.68x = 3,510,127,846,335.31 - Step 5: Solve for x
x = 3,510,127,846,335.31/2,150,029.68 - Step 6: Final answer
x = 1,632,595.07
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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.