Finding the Fourth Proportional to 2,189,419.04, 3,285,074.68 and 1,177,358.08
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Solution
The fourth proportional to 2,189,419.04, 3,285,074.68 and 1,177,358.08 is: 1,766,545.90
Step by Step Solution
- Step 1: Write the proportion equation
2,189,419.04 : 3,285,074.68 = 1,177,358.08 : x - Step 2: Convert to fraction form
2,189,419.04/3,285,074.68 = 1,177,358.08/x - Step 3: Cross multiply
2,189,419.04x = 3,285,074.68 × 1,177,358.08 - Step 4: Simplify right side
2,189,419.04x = 3,867,709,217,901.42 - Step 5: Solve for x
x = 3,867,709,217,901.42/2,189,419.04 - Step 6: Final answer
x = 1,766,545.90
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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.