Finding the Fourth Proportional to 1,903,389.01, 2,855,416.44 and 1,135,498.28
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Solution
The fourth proportional to 1,903,389.01, 2,855,416.44 and 1,135,498.28 is: 1,703,446.03
Step by Step Solution
- Step 1: Write the proportion equation
1,903,389.01 : 2,855,416.44 = 1,135,498.28 : x - Step 2: Convert to fraction form
1,903,389.01/2,855,416.44 = 1,135,498.28/x - Step 3: Cross multiply
1,903,389.01x = 2,855,416.44 × 1,135,498.28 - Step 4: Simplify right side
1,903,389.01x = 3,242,320,450,626.23 - Step 5: Solve for x
x = 3,242,320,450,626.23/1,903,389.01 - Step 6: Final answer
x = 1,703,446.03
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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.