Finding the Fourth Proportional to 2,768,315.36, 4,149,936.10 and 970,218.68
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Solution
The fourth proportional to 2,768,315.36, 4,149,936.10 and 970,218.68 is: 1,454,438.89
Step by Step Solution
- Step 1: Write the proportion equation
2,768,315.36 : 4,149,936.10 = 970,218.68 : x - Step 2: Convert to fraction form
2,768,315.36/4,149,936.10 = 970,218.68/x - Step 3: Cross multiply
2,768,315.36x = 4,149,936.10 × 970,218.68 - Step 4: Simplify right side
2,768,315.36x = 4,026,345,525,026.35 - Step 5: Solve for x
x = 4,026,345,525,026.35/2,768,315.36 - Step 6: Final answer
x = 1,454,438.89
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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.