Finding the Fourth Proportional to 1,449,370.41, 2,000,315.70 and 876,414.69
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Solution
The fourth proportional to 1,449,370.41, 2,000,315.70 and 876,414.69 is: 1,209,563.86
Step by Step Solution
- Step 1: Write the proportion equation
1,449,370.41 : 2,000,315.70 = 876,414.69 : x - Step 2: Convert to fraction form
1,449,370.41/2,000,315.70 = 876,414.69/x - Step 3: Cross multiply
1,449,370.41x = 2,000,315.70 × 876,414.69 - Step 4: Simplify right side
1,449,370.41x = 1,753,106,064,117.63 - Step 5: Solve for x
x = 1,753,106,064,117.63/1,449,370.41 - Step 6: Final answer
x = 1,209,563.86
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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.