Finding the Fourth Proportional to 1,889,285.97, 2,607,214.73 and 1,029,846.24
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Solution
The fourth proportional to 1,889,285.97, 2,607,214.73 and 1,029,846.24 is: 1,421,187.86
Step by Step Solution
- Step 1: Write the proportion equation
1,889,285.97 : 2,607,214.73 = 1,029,846.24 : x - Step 2: Convert to fraction form
1,889,285.97/2,607,214.73 = 1,029,846.24/x - Step 3: Cross multiply
1,889,285.97x = 2,607,214.73 × 1,029,846.24 - Step 4: Simplify right side
1,889,285.97x = 2,685,030,286,563.12 - Step 5: Solve for x
x = 2,685,030,286,563.12/1,889,285.97 - Step 6: Final answer
x = 1,421,187.86
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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.