Finding the Fourth Proportional to 1,422,228.08, 1,962,676.50 and 777,651.14
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Solution
The fourth proportional to 1,422,228.08, 1,962,676.50 and 777,651.14 is: 1,073,159.53
Step by Step Solution
- Step 1: Write the proportion equation
1,422,228.08 : 1,962,676.50 = 777,651.14 : x - Step 2: Convert to fraction form
1,422,228.08/1,962,676.50 = 777,651.14/x - Step 3: Cross multiply
1,422,228.08x = 1,962,676.50 × 777,651.14 - Step 4: Simplify right side
1,422,228.08x = 1,526,277,617,676.21 - Step 5: Solve for x
x = 1,526,277,617,676.21/1,422,228.08 - Step 6: Final answer
x = 1,073,159.53
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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.