Finding the Fourth Proportional to 1,368,909.72, 2,053,889.46 and 569,976.75
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Solution
The fourth proportional to 1,368,909.72, 2,053,889.46 and 569,976.75 is: 855,183.67
Step by Step Solution
- Step 1: Write the proportion equation
1,368,909.72 : 2,053,889.46 = 569,976.75 : x - Step 2: Convert to fraction form
1,368,909.72/2,053,889.46 = 569,976.75/x - Step 3: Cross multiply
1,368,909.72x = 2,053,889.46 × 569,976.75 - Step 4: Simplify right side
1,368,909.72x = 1,170,669,239,270.06 - Step 5: Solve for x
x = 1,170,669,239,270.06/1,368,909.72 - Step 6: Final answer
x = 855,183.67
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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.