Finding the Fourth Proportional to 1,491,295.74, 2,058,221.86 and 879,515.75
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Solution
The fourth proportional to 1,491,295.74, 2,058,221.86 and 879,515.75 is: 1,213,869.59
Step by Step Solution
- Step 1: Write the proportion equation
1,491,295.74 : 2,058,221.86 = 879,515.75 : x - Step 2: Convert to fraction form
1,491,295.74/2,058,221.86 = 879,515.75/x - Step 3: Cross multiply
1,491,295.74x = 2,058,221.86 × 879,515.75 - Step 4: Simplify right side
1,491,295.74x = 1,810,238,542,864.30 - Step 5: Solve for x
x = 1,810,238,542,864.30/1,491,295.74 - Step 6: Final answer
x = 1,213,869.59
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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.