Finding the Fourth Proportional to 2,857,189.68, 4,285,291.68 and 807,993.36
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Solution
The fourth proportional to 2,857,189.68, 4,285,291.68 and 807,993.36 is: 1,211,850.67
Step by Step Solution
- Step 1: Write the proportion equation
2,857,189.68 : 4,285,291.68 = 807,993.36 : x - Step 2: Convert to fraction form
2,857,189.68/4,285,291.68 = 807,993.36/x - Step 3: Cross multiply
2,857,189.68x = 4,285,291.68 × 807,993.36 - Step 4: Simplify right side
2,857,189.68x = 3,462,487,223,103.24 - Step 5: Solve for x
x = 3,462,487,223,103.24/2,857,189.68 - Step 6: Final answer
x = 1,211,850.67
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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.