Finding the Fourth Proportional to 1,786,037.80, 2,679,351.90 and 827,451.40
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Solution
The fourth proportional to 1,786,037.80, 2,679,351.90 and 827,451.40 is: 1,241,313.86
Step by Step Solution
- Step 1: Write the proportion equation
1,786,037.80 : 2,679,351.90 = 827,451.40 : x - Step 2: Convert to fraction form
1,786,037.80/2,679,351.90 = 827,451.40/x - Step 3: Cross multiply
1,786,037.80x = 2,679,351.90 × 827,451.40 - Step 4: Simplify right side
1,786,037.80x = 2,217,033,480,747.66 - Step 5: Solve for x
x = 2,217,033,480,747.66/1,786,037.80 - Step 6: Final answer
x = 1,241,313.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.