Finding the Fourth Proportional to 1,783,399.74, 2,675,507.85 and 772,689.84
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Solution
The fourth proportional to 1,783,399.74, 2,675,507.85 and 772,689.84 is: 1,159,211.64
Step by Step Solution
- Step 1: Write the proportion equation
1,783,399.74 : 2,675,507.85 = 772,689.84 : x - Step 2: Convert to fraction form
1,783,399.74/2,675,507.85 = 772,689.84/x - Step 3: Cross multiply
1,783,399.74x = 2,675,507.85 × 772,689.84 - Step 4: Simplify right side
1,783,399.74x = 2,067,337,732,535.24 - Step 5: Solve for x
x = 2,067,337,732,535.24/1,783,399.74 - Step 6: Final answer
x = 1,159,211.64
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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.