Finding the Fourth Proportional to 1,484,212.59, 2,048,217.32 and 805,149.09
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Solution
The fourth proportional to 1,484,212.59, 2,048,217.32 and 805,149.09 is: 1,111,107.88
Step by Step Solution
- Step 1: Write the proportion equation
1,484,212.59 : 2,048,217.32 = 805,149.09 : x - Step 2: Convert to fraction form
1,484,212.59/2,048,217.32 = 805,149.09/x - Step 3: Cross multiply
1,484,212.59x = 2,048,217.32 × 805,149.09 - Step 4: Simplify right side
1,484,212.59x = 1,649,120,311,320.24 - Step 5: Solve for x
x = 1,649,120,311,320.24/1,484,212.59 - Step 6: Final answer
x = 1,111,107.88
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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.