Finding the Fourth Proportional to 1,879,660.76, 2,593,936.84 and 1,020,221.01
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Solution
The fourth proportional to 1,879,660.76, 2,593,936.84 and 1,020,221.01 is: 1,407,907.71
Step by Step Solution
- Step 1: Write the proportion equation
1,879,660.76 : 2,593,936.84 = 1,020,221.01 : x - Step 2: Convert to fraction form
1,879,660.76/2,593,936.84 = 1,020,221.01/x - Step 3: Cross multiply
1,879,660.76x = 2,593,936.84 × 1,020,221.01 - Step 4: Simplify right side
1,879,660.76x = 2,646,388,872,040.99 - Step 5: Solve for x
x = 2,646,388,872,040.99/1,879,660.76 - Step 6: Final answer
x = 1,407,907.71
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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.